调整打印

src/views/elective/dispatch/master/info/student.vue

@@ -172,10 +172,11 @@ export default {
         line-height: 44px;
         text-align: center;
         font-size: 16px;
+        background-color: #ffffff;
       }
       </style>`
       const iframe = document.createElement('iframe');
-      iframe.setAttribute('style', `position: absolute;top: 0;left: 0;width: calc(11.7in - 1.27cm);height: 300px;z-index: 1000;opacity: 1;border: none;background-color: #efefef;`)
+      iframe.setAttribute('style', `position: absolute;top: 0;left: 0;width: calc(11.7in - 1.27cm);height: 300px;z-index: -1;opacity: 0;border: none;background-color: #efefef;`)
       document.body.appendChild(iframe);
       const doc = iframe.contentDocument;
       const titleDom = `<div class="title">${title}</div>`;