周计划打印

ruoyi-ui/src/utils/print.js

@@ -1,6 +1,6 @@
 // 打印类属性、方法定义
 /* eslint-disable */
-const Print = function (dom, options) {
+const Print =function(dom, options) {
   if (!(this instanceof Print)) return new Print(dom, options);
 
   this.options = this.extend({
@@ -10,8 +10,7 @@ const Print = function (dom, options) {
   if ((typeof dom) === "string") {
     this.dom = document.querySelector(dom);
   } else {
-    this.isDOM(dom)
-    this.dom = this.isDOM(dom) ? dom : dom.$el;
+    this.dom = dom;
   }
 
   this.init();
@@ -44,7 +43,7 @@ Print.prototype = {
     var textareas = document.querySelectorAll('textarea');
     var selects = document.querySelectorAll('select');
 
-    for (var k = 0; k < inputs.length; k++) {
+    for (var k in inputs) {
       if (inputs[k].type == "checkbox" || inputs[k].type == "radio") {
         if (inputs[k].checked == true) {
           inputs[k].setAttribute('checked', "checked")
@@ -53,18 +52,16 @@ Print.prototype = {
         }
       } else if (inputs[k].type == "text") {
         inputs[k].setAttribute('value', inputs[k].value)
-      } else {
-        inputs[k].setAttribute('value', inputs[k].value)
       }
     }
 
-    for (var k2 = 0; k2 < textareas.length; k2++) {
+    for (var k2 in textareas) {
       if (textareas[k2].type == 'textarea') {
         textareas[k2].innerHTML = textareas[k2].value
       }
     }
 
-    for (var k3 = 0; k3 < selects.length; k3++) {
+    for (var k3 in selects) {
       if (selects[k3].type == 'select-one') {
         var child = selects[k3].children;
         for (var i in child) {
@@ -78,48 +75,26 @@ Print.prototype = {
         }
       }
     }
-    // 包裹要打印的元素
-    // fix: https://github.com/xyl66/vuePlugs_printjs/issues/36
-    return this.wrapperRefDom(this.dom).outerHTML;
-  },
-  // 向父级元素循环，包裹当前需要打印的元素
-  // 防止根级别开头的 css 选择器不生效
-  wrapperRefDom: function (refDom) {
-    let prevDom = null
-    let currDom = refDom
-    while (currDom && currDom.tagName.toLowerCase() !== 'body') {
-      if (prevDom) {
-        let element = currDom.cloneNode(false)
-        element.appendChild(prevDom)
-        prevDom = element
-      } else {
-        prevDom = currDom.cloneNode(true)
-      }
 
-      currDom = currDom.parentElement
-    }
-
-    return currDom.tagName.toLowerCase() === 'body' ? currDom : prevDom
+    return this.dom.outerHTML;
   },
 
   writeIframe: function (content) {
     var w, doc, iframe = document.createElement('iframe'),
       f = document.body.appendChild(iframe);
     iframe.id = "myIframe";
-    //iframe.style = "position:absolute;width:0;height:0;top:-10px;left:-10px;";
-    iframe.setAttribute('style', 'position:absolute;width:0;height:0;top:-10px;left:-10px;');
+    iframe.style = "position:absolute;width:0;height:0;top:-10px;left:-10px;";
+
     w = f.contentWindow || f.contentDocument;
     doc = f.contentDocument || f.contentWindow.document;
     doc.open();
     doc.write(content);
     doc.close();
-    var _this = this
-    iframe.onload = function(){
-      _this.toPrint(w);
+    this.toPrint(w);
+
     setTimeout(function () {
       document.body.removeChild(iframe)
     }, 100)
-    }
   },
 
   toPrint: function (frameWindow) {
@@ -138,13 +113,6 @@ Print.prototype = {
     } catch (err) {
       console.log('err', err);
     }
-  },
-  isDOM: (typeof HTMLElement === 'object') ?
-    function (obj) {
-      return obj instanceof HTMLElement;
-    } :
-    function (obj) {
-      return obj && typeof obj === 'object' && obj.nodeType === 1 && typeof obj.nodeName === 'string';
   }
 };
 const MyPlugin = {}