秒杀和拼单分享海报修改

后端研发-苏泰源
1 parent f34e3334
Showing 1 changed file with 24 additions and 5 deletions
pages/goods/goodsInfo/goodsInfo.js
@@ -4762,6 +4762,7 @@ Page({
 				if(type == 1) { // 秒杀 
 					src = '../../../images/share/miao_share.png';
 					context.drawImage(src, 54 * unit, 648 * unit, 200 * unit, 36 * unit);
+					context.setTextAlign('left');
 				};
 				if(type == 2) { // 商家和会员团
 					src = '../../../images/share/ct_num.png'; 
@@ -4808,13 +4809,28 @@ Page({
 					price = parseFloat(price).toFixed(2);
 					context.setFontSize(32 * unit);
 					context.setFillStyle('#DE1117');
-					context.fillText('￥' + price, 54 * unit, 730 * unit);
+					context.fillText('￥' + price, 54 * unit, 735 * unit);
+					
+
 				};
+				//---市场价划掉---
+				context.setFillStyle("gray")
+				context.setFontSize(22 * unit)
+				var pri0 = "￥" + this.data.data.market_price.toFixed(2);
+				var wd2 = this.data.screenWidth - ut.measureText(pri0, 22 * unit) - 25;
+				context.fillText(pri0, 54 * unit, 770 * unit);
+				
+				context.setStrokeStyle('gray');
+				context.setLineWidth(1 * unit);
+				context.moveTo(54 * unit, 763 * unit);
+				context.lineTo(ut.measureText(pri0, 22 * unit) + 50, 763 * unit);
+				context.stroke();
+				
 				// 8.商品标题
 				context.setFontSize(20 * unit);
 				context.setFillStyle('#898989');
-				this.draw_Text(context, this.data.data.goods_name, 54 * unit, 770 * unit, 240 * unit, 240 * unit, unit);
+				this.draw_Text(context, this.data.data.goods_name, 54 * unit, 800 * unit, 240 * unit, 280 * unit, unit, 1);
         // 9.小程序码
         context.drawImage(vpath, 375 * unit, 660 * unit, 120 * unit, 120 * unit);
@@ -5385,18 +5401,21 @@ Page({
     //文本换行 参数：1、canvas对象，2、文本 3、距离左侧的距离 4、距离顶部的距离 5、6、文本的宽度
-    draw_Text: function (ctx, str, leftWidth, initHeight, titleHeight, canvasWidth, unit) {
+    draw_Text: function (ctx, str, leftWidth, initHeight, titleHeight, canvasWidth, unit, lineNum) {
         var lineWidth = 0;
         var lastSubStrIndex = 0; //每次开始截取的字符串的索引
         var han = 0;
         for (let i = 0; i < str.length; i++) {
+						if(lineNum) {
+							if(han == lineNum) return; 
+						};
             if (han == 2) return;
             //lineWidth += ctx.measureText(str[i]).width;
             lineWidth += ut.measureText(str[i], 21.3 * unit);
             if (lineWidth > canvasWidth) {
                 han++;
-                if (han == 2)
+                if (han == 2 || han == lineNum)
                     ctx.fillText(str.substring(lastSubStrIndex, i) + '...', leftWidth, initHeight); //绘制截取部分
                 else
                     ctx.fillText(str.substring(lastSubStrIndex, i), leftWidth, initHeight);
@@ -5409,7 +5428,7 @@ Page({
             if (i == str.length - 1) { //绘制剩余部分
                 ctx.fillText(str.substring(lastSubStrIndex, i + 1), leftWidth, initHeight);
             }
-        }
+        };
     },
     // ----视频图片----