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v2.0代码提交
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133
smart_admin_v1/smart-admin-h5/src/lib/printPlugs.js
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133
smart_admin_v1/smart-admin-h5/src/lib/printPlugs.js
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// 打印类属性、方法定义
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/* eslint-disable */
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//第二个参数表明是否要关闭当前窗口
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const Print = function(dom, close, options) {
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if (!(this instanceof Print)) return new Print(dom, close, options);
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this.options = this.extend(
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{
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noPrint: '.no-print'
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},
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options
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);
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if (typeof dom === 'string') {
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this.dom = document.querySelector(dom);
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} else {
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this.dom = dom;
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}
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this.init(close);
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};
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Print.prototype = {
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init: function(close) {
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var content = this.getStyle() + this.getHtml();
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this.writeIframe(content, close);
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},
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extend: function(obj, obj2) {
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for (var k in obj2) {
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obj[k] = obj2[k];
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}
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return obj;
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},
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getStyle: function() {
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var str = '',
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styles = document.querySelectorAll('style,link');
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for (var i = 0; i < styles.length; i++) {
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str += styles[i].outerHTML;
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}
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str +=
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'<style>body, html{height: auto; overflow: auto !important;}' +
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(this.options.noPrint ? this.options.noPrint : '.no-print') +
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'{display:none;}</style>';
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return str;
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},
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getHtml: function() {
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var inputs = document.querySelectorAll('input');
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var textareas = document.querySelectorAll('textarea');
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var selects = document.querySelectorAll('select');
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for (var k in inputs) {
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if (inputs[k].type == 'checkbox' || inputs[k].type == 'radio') {
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if (inputs[k].checked == true) {
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inputs[k].setAttribute('checked', 'checked');
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} else {
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inputs[k].removeAttribute('checked');
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}
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} else if (inputs[k].type == 'text') {
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inputs[k].setAttribute('value', inputs[k].value);
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}
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}
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for (var k2 in textareas) {
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if (textareas[k2].type == 'textarea') {
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textareas[k2].innerHTML = textareas[k2].value;
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}
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}
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for (var k3 in selects) {
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if (selects[k3].type == 'select-one') {
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var child = selects[k3].children;
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for (var i in child) {
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if (child[i].tagName == 'OPTION') {
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if (child[i].selected == true) {
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child[i].setAttribute('selected', 'selected');
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} else {
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child[i].removeAttribute('selected');
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}
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}
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}
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}
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}
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return this.dom.outerHTML;
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},
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writeIframe: function(content, close) {
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var w,
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doc,
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iframe = document.createElement('iframe'),
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f = document.body.appendChild(iframe);
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iframe.id = 'myIframe';
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iframe.style = 'position:absolute;';
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w = f.contentWindow || f.contentDocument;
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doc = f.contentDocument || f.contentWindow.document;
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doc.open();
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doc.write(content);
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doc.close();
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this.toPrint(w, close);
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setTimeout(function() {
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document.body.removeChild(iframe);
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}, 500);
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},
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toPrint: function(frameWindow, close) {
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try {
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setTimeout(function() {
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frameWindow.focus();
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try {
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if (!frameWindow.document.execCommand('print', false, null)) {
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frameWindow.print();
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}
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} catch (e) {
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frameWindow.print();
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}
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frameWindow.close();
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if (close) {
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window.close();
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}
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}, 500);
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} catch (err) {
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console.log('err', err);
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}
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}
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};
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const MyPlugin = {};
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MyPlugin.install = function(Vue, options) {
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// 4. 添加实例方法
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Vue.prototype.$print = Print;
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};
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export default MyPlugin;
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