modify some codes

04.系统编码/Frontend/src/model/heat-map-drawer.ts

@@ -249,32 +249,43 @@ export class HeatMapDrawer{
 
     //高度单位
     private drawHeightText(): void {
-        let name =['高','度','(','m',')']; // 文本内容
-        let x = 70,y = 180; // 文字开始的坐标
-        let letterSpacing = 20; // 设置字间距
-        for(let i = 0; i < name.length; i++) {
-            const str = name.slice(i, i + 1).toString();
-            if (str.match(/[A-Za-z0-9-()-]/) && (y < 576)) { // 非汉字 旋转
-                this.canvasContext.save();
-                this.canvasContext.translate(x, y);
-                this.canvasContext.rotate(Math.PI / 180 * 90);
-                this.canvasContext.textBaseline = 'bottom';
-                this.canvasContext.font = "normal 25px 微软雅黑";
-                this.canvasContext.fillStyle = "#000000";
-                this.canvasContext.fillText(str, 0, 0);
-                this.canvasContext.restore();
-                y += this.canvasContext.measureText(str).width + letterSpacing; // 计算文字宽度
-            } else if (str.match(/[\u4E00-\u9FA5]/) && (y < 576)) {
-                this.canvasContext.save();
-                this.canvasContext.textBaseline = 'top';
-                this.canvasContext.font = "normal 25px 微软雅黑";
-                this.canvasContext.fillStyle = "#000000";
-                this.canvasContext.fillText(str, x, y);
-                this.canvasContext.restore();
-                y += this.canvasContext.measureText(str).width + letterSpacing; // 计算文字宽度
-            }
-        }
+        // 保存原有的canvas状态，供restore方法重置
+        this.canvasContext.save();
+        let name = "高度(m)";
+        this.canvasContext.translate(90, this.height / 2 + this.paddingTop - this.canvasContext.measureText(name).width);
+        this.canvasContext.rotate(Math.PI * 1.5);
+        this.canvasContext.font="normal 24px 微软雅黑";
+        this.canvasContext.fillStyle="#000000";
+        this.canvasContext.fillText(name, 0, 0);
+        this.canvasContext.restore();
+
+        // let name =['高','度','(','m',')']; // 文本内容
+        // let x = 70,y = 180; // 文字开始的坐标
+        // let letterSpacing = 10; // 设置字间距
+        // for(let i = 0; i < name.length; i++) {
+        //     const str = name.slice(i, i + 1).toString();
+        //     if (str.match(/[A-Za-z0-9-()-]/) && (y < 576)) { // 非汉字 旋转
+        //         this.canvasContext.save();
+        //         this.canvasContext.translate(x, y);
+        //         this.canvasContext.rotate(Math.PI / 180 * 90);
+        //         this.canvasContext.textBaseline = 'bottom';
+        //         this.canvasContext.font = "normal 20px 微软雅黑";
+        //         this.canvasContext.fillStyle = "#000000";
+        //         this.canvasContext.fillText(str, 0, 0);
+        //         this.canvasContext.restore();
+        //         y += this.canvasContext.measureText(str).width + letterSpacing; // 计算文字宽度
+        //     } else if (str.match(/[\u4E00-\u9FA5]/) && (y < 576)) {
+        //         this.canvasContext.save();
+        //         this.canvasContext.textBaseline = 'top';
+        //         this.canvasContext.font = "normal 20px 微软雅黑";
+        //         this.canvasContext.fillStyle = "#000000";
+        //         this.canvasContext.fillText(str, x, y);
+        //         this.canvasContext.restore();
+        //         y += this.canvasContext.measureText(str).width + letterSpacing; // 计算文字宽度
+        //     }
+        // }
     }
+    
     //温度单位
     private drawTemperatureText(unit): void {
         this.canvasContext.font = "normal 25px 微软雅黑";