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				+<template> 
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				+  <div class="blastDelta"> 
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				+    <div style="text-align: center; margin-top: -20px"> 最小值 </div> 
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				+    <div ref="coord" class="coords"> 
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				+      <div class="coord-lineY"> 
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				+        <div :style="{ width: '5px', height: `${lengY}px`, 'border-top': '1px solid #0079ff' }" v-for="item in 10" :key="item"></div> 
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				+      </div> 
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				+      <div class="coord-labelY"> 
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				+        <div :style="{ width: '20px', height: `${lengY}px`, color: '#fff' }" v-for="(ite, ind) in 10" :key="ind">{{ ind == 0 ? maxY : '' }}</div> 
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				+      </div> 
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				+      <div class="coord-lineX"> 
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				+        <div :style="{ height: '5px', width: `${lengY}px`, 'border-right': '1px solid #0079ff' }" v-for="item in 15" :key="item"></div> 
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				+      </div> 
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				+      <div class="coord-labelX"> 
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				+        <div :style="{ height: '20px', width: `${lengY}px`, color: '#fff' }" v-for="(ite, ind) in 15" :key="ind">{{ ind == 14 ? maxX : '' }}</div> 
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				+      </div> 
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				+      <div class="line-AB" :style="{ width: 'calc(100% - 10px)', height: 'calc(100% - 10px)' }"> 
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				+        <canvas id="myCanvas1" :width="canvasSize.width" :height="canvasSize.height"></canvas> 
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				+      </div> 
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				+      <!-- <div class="line-legend"> 
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				+        <div class="legend-ite" v-for="ite in 4" :key="ite"></div> 
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				+      </div> 
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				+      <div class="legend-name"> 
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				+        <div class="item-name" v-for="item in legendList" :key="item">{{ item.name }}</div> 
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				+      </div> --> 
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				+    </div> 
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				+    <div class="line-legend"> 
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				+      <div class="legend-box" v-for="(item, index) in legendList" :key="index"> 
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				+        <span class="legend-icon"></span> 
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				+        <span class="legend-label">{{ item.name }}</span> 
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				+      </div> 
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				+    </div> 
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				+  </div> 
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				+</template> 
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				+ 
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				+<script lang="ts" setup> 
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				+import { ref, reactive, onMounted, watch, nextTick } from 'vue'; 
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				+ 
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				+let props = defineProps({ 
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				+  posMonitor: { 
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				+    type: Object, 
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				+    default: () => { 
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				+      return {}; 
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				+    }, 
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				+  }, 
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				+  canvasSize: { 
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				+    type: Object, 
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				+    default: () => { 
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				+      return { width: 380, height: 245 }; 
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				+    }, 
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				+  }, 
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				+}); 
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				+let coord = ref(null); 
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				+let lengY = ref(0); 
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				+//与x,y轴相交最大值坐标 
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				+let maxY = ref(0); 
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				+let maxX = ref(0); 
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				+let maxY1 = ref(0); 
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				+let maxX1 = ref(0); 
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				+ 
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				+//A点坐标 
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				+let coordinateA = reactive({ 
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				+  x: 0, 
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				+  y: 0, 
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				+}); 
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				+//B点坐标 
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				+let coordinateB = reactive({ 
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				+  x: 0, 
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				+  y: 0, 
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				+}); 
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				+//E点坐标 
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				+let coordinateE = reactive({ 
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				+  x: 0, 
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				+  y: 0, 
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				+}); 
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				+//F点坐标 
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				+let coordinateF = reactive({ 
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				+  x: 0, 
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				+  y: 0, 
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				+}); 
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				+//G点坐标 
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				+let coordinateG = reactive({ 
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				+  x: 0, 
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				+  y: 0, 
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				+}); 
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				+ 
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				+let legendList = ref<any[]>([{ name: '不爆炸' }, { name: '可燃气体不足' }, { name: '可爆炸' }, { name: '氧气不足' }]); 
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				+ 
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				+function getAreas() { 
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				+  if (coord.value) { 
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				+    let width = coord.value.offsetWidth; 
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				+    let height = coord.value.offsetHeight; 
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				+    lengY.value = Math.ceil((height - 10) / 10); 
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				+  } 
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				+} 
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				+//根据A,B,E,G等点坐标绘制爆炸三角形 
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				+function getBlast() { 
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				+  maxY.value = getCoordABY(0); 
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				+  // 获取canvas元素 
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				+  let canvas = document.getElementById('myCanvas1'); 
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				+  let ctx = canvas.getContext('2d'); 
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				+  let scalcY, scalcX; 
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				+  if (coordinateB.x < 50) { 
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				+    maxX.value = 50; 
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				+    scalcY = canvas.height / maxY.value; 
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				+    scalcX = canvas.width / maxX.value; 
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				+  } else { 
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				+    maxX.value = parseInt(coordinateB.x + 10); 
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				+    scalcY = canvas.height / maxY.value; 
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				+    scalcX = canvas.width / maxX.value; 
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				+  } 
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				+  //绘制AB点线条 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateA.x * scalcX, canvas.height - coordinateA.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateB.x * scalcX, canvas.height - coordinateB.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制AE线条 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateA.x * scalcX, canvas.height - coordinateA.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateE.x * scalcX, canvas.height - coordinateE.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制BE线条 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateB.x * scalcX, canvas.height - coordinateB.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateE.x * scalcX, canvas.height - coordinateE.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制A点与坐标轴连线 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(0, canvas.height - maxY.value * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateA.x * scalcX, canvas.height - coordinateA.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制B点c连线 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateB.x * scalcX, canvas.height - coordinateB.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(maxX.value * scalcX, canvas.height - getCoordABY(maxX.value) * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+  //绘制c点与坐标轴连线 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(maxX.value * scalcX, canvas.height - getCoordABY(maxX.value) * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(maxX.value * scalcX, canvas.height); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制E,F线条 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateE.x * scalcX, canvas.height - coordinateE.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateF.x * scalcX, canvas.height - coordinateF.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  //绘制GE线条 
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				+  ctx.beginPath(); 
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				+  ctx.moveTo(coordinateG.x * scalcX, canvas.height - coordinateG.y * scalcY); // 开始绘制的点 
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				+  ctx.lineTo(coordinateE.x * scalcX, canvas.height - coordinateE.y * scalcY); // 结束绘制的点 
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				+  ctx.strokeStyle = '#000'; 
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				+  ctx.stroke(); // 进行绘制 
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				+ 
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				+  ctx.clearRect(0, 0, canvas.width, canvas.height); 
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				+  let pointData = [ 
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				+    { 
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				+      arr: [ 
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				+        { x: coordinateG.x * scalcX, y: canvas.height - coordinateG.y * scalcY }, //G 
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				+        { x: coordinateE.x * scalcX, y: canvas.height - coordinateE.y * scalcY }, //E 
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				+        { x: coordinateA.x * scalcX, y: canvas.height - coordinateA.y * scalcY }, //A 
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				+        { x: 0, y: canvas.height - maxY.value * scalcY }, 
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				+      ], 
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				+      color: 'rgb(1, 127, 2, .9)', 
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				+    }, 
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				+    { 
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				+      arr: [ 
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				+        { x: 0, y: canvas.height }, //原点 
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				+        { x: coordinateF.x * scalcX, y: canvas.height - coordinateF.y * scalcY }, //F 
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				+        { x: coordinateE.x * scalcX, y: canvas.height - coordinateE.y * scalcY }, //E 
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				+        { x: coordinateG.x * scalcX, y: canvas.height - coordinateG.y * scalcY }, //G 
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				+      ], 
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				+      color: 'rgb(127, 254, 2, .9)', 
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				+    }, 
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				+    { 
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				+      arr: [ 
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				+        { x: coordinateF.x * scalcX, y: canvas.height - coordinateF.y * scalcY }, //F 
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				+        { x: maxX.value * scalcX, y: canvas.height }, 
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				+        { x: maxX.value * scalcX, y: canvas.height - getCoordABY(maxX.value) * scalcY }, 
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				+        { x: coordinateB.x * scalcX, y: canvas.height - coordinateB.y * scalcY }, //B 
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				+        { x: coordinateE.x * scalcX, y: canvas.height - coordinateE.y * scalcY }, //E 
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				+      ], 
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				+      color: 'rgb(255, 255, 0, .9)', 
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				+    }, 
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				+    { 
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				+      arr: [ 
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				+        { x: coordinateE.x * scalcX, y: canvas.height - coordinateE.y * scalcY }, //E 
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				+        { x: coordinateB.x * scalcX, y: canvas.height - coordinateB.y * scalcY }, //B 
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				+        { x: coordinateA.x * scalcX, y: canvas.height - coordinateA.y * scalcY }, //A 
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				+      ], 
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				+      color: 'rgb(255, 0, 0, .9)', 
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				+    }, 
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				+  ]; 
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				+ 
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				+  pointData.forEach((item, index) => { 
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				+    ctx.beginPath(); 
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				+    ctx.moveTo(item.arr[0].x, item.arr[0].y); 
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				+    item.arr.forEach((items, ind) => { 
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				+      if (ind != 0) { 
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				+        ctx.lineTo(item.arr[ind].x, item.arr[ind].y); 
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				+      } 
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				+    }); 
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				+    ctx.closePath(); 
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				+    ctx.fillStyle = item.color; 
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				+    ctx.fill(); 
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				+    ctx.strokeStyle = 'transparent'; 
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				+    ctx.lineWidth = 1; 
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				+    ctx.stroke(); 
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				+  }); 
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				+ 
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				+  // 标记点A 
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				+  ctx.beginPath(); 
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				 | 
				 | 
			
			
				+  ctx.arc(coordinateA.x * scalcX, canvas.height - coordinateA.y * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('A', coordinateA.x * scalcX + 10, canvas.height - coordinateA.y * scalcY); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点B 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(coordinateB.x * scalcX, canvas.height - coordinateB.y * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('B', coordinateB.x * scalcX + 10, canvas.height - coordinateB.y * scalcY); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点E 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(coordinateE.x * scalcX, canvas.height - coordinateE.y * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('E', coordinateE.x * scalcX + 5, canvas.height - coordinateE.y * scalcY + 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点G 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(coordinateG.x * scalcX, canvas.height - coordinateG.y * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('G', coordinateG.x * scalcX + 5, canvas.height - coordinateG.y * scalcY); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点F 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(coordinateF.x * scalcX, canvas.height - coordinateF.y * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('F', coordinateF.x * scalcX + 10, canvas.height - coordinateF.y * scalcY - 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(maxX1.value * scalcX, canvas.height - maxY1.value * scalcY, 5, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = 'blue'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('', maxX1.value * scalcX + 10, canvas.height - maxY1.value * scalcY - 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//绘制不爆炸三角形 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function getUnblast() { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  maxY.value = 21; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  maxX.value = 50; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 获取canvas元素 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  let canvas = document.getElementById('myCanvas1'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  let ctx = canvas.getContext('2d'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  let scalcY = canvas.height / maxY.value; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  let scalcX = canvas.width / maxX.value; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //绘制AB点线条 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.moveTo(0, canvas.height - maxY.value * scalcY); // 开始绘制的点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.lineTo(maxX.value * scalcX, canvas.height); // 结束绘制的点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.strokeStyle = '#000'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.stroke(); // 进行绘制 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.clearRect(0, 0, canvas.width, canvas.height); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  let pointData = [ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      arr: [ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { x: 0, y: canvas.height }, //原点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { x: 0, y: canvas.height - maxY.value * scalcY }, //A 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        { x: maxX.value * scalcX, y: canvas.height }, //B 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ], 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      color: 'rgb(127, 254, 2, .9)', 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    }, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  pointData.forEach((item, index) => { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.moveTo(item.arr[0].x, item.arr[0].y); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    item.arr.forEach((items, ind) => { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      if (ind != 0) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        ctx.lineTo(item.arr[ind].x, item.arr[ind].y); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    }); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.closePath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.fillStyle = item.color; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.strokeStyle = 'transparent'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.lineWidth = 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ctx.stroke(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  }); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 标记点A 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(0, canvas.height - maxY.value * scalcY, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('A', 10, canvas.height - maxY.value * scalcY + 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 标记点B 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(maxX.value * scalcX, canvas.height, 1, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#eee'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('B', maxX.value * scalcX - 10, canvas.height - 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  //标记点 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.beginPath(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.arc(maxX1.value * scalcX, canvas.height - maxY1.value * scalcY, 5, 0, 2 * Math.PI); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = 'blue'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fill(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  // 在点附近添加文字 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.font = '12px Arial'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillStyle = '#fff'; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ctx.fillText('', maxX1.value * scalcX + 10, canvas.height - maxY1.value * scalcY - 10); // 文字位置略微偏上,以便于文字与点对齐 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//根据横坐标获取直线AB纵坐标 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function getCoordABY(params) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return Math.ceil( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ((parseFloat(coordinateB.y) - parseFloat(coordinateA.y)) * params - 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      parseFloat(coordinateA.x) * parseFloat(coordinateB.y) + 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      parseFloat(coordinateB.x) * parseFloat(coordinateA.y)) / 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      (parseFloat(coordinateB.x) - parseFloat(coordinateA.x)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+//根据纵坐标获取直线AB横坐标 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+function getCoordABX(params1) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  return Math.floor( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ((parseFloat(coordinateB.x) - parseFloat(coordinateA.x)) * params1 + 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      parseFloat(coordinateA.x) * parseFloat(coordinateB.y) - 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      parseFloat(coordinateB.x) * parseFloat(coordinateA.y)) / 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      (parseFloat(coordinateB.y) - parseFloat(coordinateA.y)) 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  ); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+watch( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  () => props.posMonitor, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  (newV, oldV) => { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (newV.btTriBlast) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      maxY1.value = parseFloat(newV.o2_min); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      maxX1.value = 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        parseFloat(newV.co_max) * 0.0001 + parseFloat(newV.ch4_max) + parseFloat(newV.c2h2_max) * 0.0001 + parseFloat(newV.c2h4_max) * 0.0001; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      let btTriBlasts = newV.btTriBlast; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateA.x = btTriBlasts.A_x; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateA.y = btTriBlasts.A_y; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateB.x = btTriBlasts.B_x; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateB.y = btTriBlasts.B_y; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateE.x = btTriBlasts.E_x; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateE.y = btTriBlasts.E_y; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateF.x = btTriBlasts.F_x; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateF.y = btTriBlasts.F_y; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateG.x = btTriBlasts.G_x; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      coordinateG.y = btTriBlasts.G_y; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      if ( 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        !((coordinateA.y - coordinateB.y) / (coordinateA.x - coordinateB.x)) || 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        (coordinateA.y - coordinateB.y) / (coordinateA.x - coordinateB.x) == 1 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // 使用 nextTick 为了让 immediate watch 触发时等待组件挂载后执行绘制 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        nextTick(getUnblast); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        nextTick(getBlast); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  }, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  { deep: true, immediate: true } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+onMounted(() => { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  getAreas(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+}); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+</script> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+<style lang="less" scoped> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+.blastDelta { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  position: relative; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  width: 100%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  height: 320px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  .line-legend { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    left: 50%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    top: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    width: 75%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    height: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    transform: translate(-50%, 0); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    display: flex; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    justify-content: space-around; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .legend-box { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      display: flex; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      height: 100%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      justify-content: center; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      align-items: center; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      font-size: 12px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      &:nth-child(1) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        flex: 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        .legend-icon { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          width: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          height: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          background-color: #7ffe02; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          margin-right: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      &:nth-child(2) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        flex: 1.5; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        .legend-icon { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          width: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          height: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          background-color: #017f02; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          margin-right: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      &:nth-child(3) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        flex: 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        .legend-icon { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          width: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          height: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          background-color: #ff0000; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          margin-right: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      &:nth-child(4) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        flex: 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        .legend-icon { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          width: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          height: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          background-color: #ffff00; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          margin-right: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  .coords { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    left: 50%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    top: 50%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    width: 90%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    height: 80%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    border-left: 1px solid #006c9d; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    border-bottom: 1px solid #006c9d; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    transform: translate(-45%, -46%); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .coord-lineY { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      left: -5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      top: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      width: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      height: calc(100% - 10px); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .coord-labelY { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      left: -25px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      top: -5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      width: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      height: 100%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .coord-lineX { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      display: flex; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      bottom: -5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      right: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      width: calc(100% - 10px); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      height: 5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .coord-labelX { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      display: flex; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      justify-content: flex-end; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      bottom: -25px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      left: -5px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      width: 100%; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      height: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    .line-AB { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      left: 0; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      top: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // .legend-name { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   position: absolute; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   right: 0; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   top: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   height: 80px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   .item-name { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //     height: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //     line-height: 20px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //     font-size: 10px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //     color: #fff; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //     letter-spacing: 2px; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    //   } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+</style> 
			 |