导出PDF细节

src/views/learning/item-data-all.vue

@@ -1118,7 +1118,7 @@ export default {
       }
       .vertical {
         position: absolute;
-        left: 34%;
+        left: 120px;
         float: left;
         margin-top: 23px;
         width:1px;

src/views/learning/item-list.vue

@@ -882,13 +882,13 @@ export default {
           let imgWidth = 595.28;
           let imgHeight = 592.28 / contentWidth * contentHeight;
 
-          let pageData = canvas.toDataURL('image/jpeg', 1.0);
-          // let pageData = canvas.toDataURL('image/png');
+          // let pageData = canvas.toDataURL('image/jpeg', 1.0);
+          let pageData = canvas.toDataURL('image/png');
 
           let pdf = new JsPDF('', 'pt', [contentWidth*0.8,contentHeight*0.8]);
           
-          pdf.addImage(pageData, 'JPEG', 0, position, contentWidth*0.8, contentHeight*0.8)
-          // pdf.addImage(pageData, 'PNG', 0, position, contentWidth*0.8, contentHeight*0.8)
+          // pdf.addImage(pageData, 'JPEG', 0, position, contentWidth*0.8, contentHeight*0.8)
+          pdf.addImage(pageData, 'PNG', 0, position, contentWidth*0.8, contentHeight*0.8)
 
           let title = "导出学情报告";
           pdf.save(title + '.pdf');