这个是这个js引入的说明。
然后这是我引用的写法，好像不对，该怎么引用呢。
printMeAuto.js代码
// 先导入getLodop方法
import {
getLodop
} from "./LodopFuncs.js";
const promisic = function(func) {
return function(params = {}) {
return new Promise((resolve, reject) => {
const args = Object.assign(params, {
success: (res) => {
resolve(res);
},
fail: (error) => {
reject(error);
}
});
func(args);
});
};
};
// 打印类属性、方法定义
/* eslint-disable */
const Print = function(dom, options) {
console.log("Print");
if (!(this instanceof Print)) return new Print(dom, options);
this.options = this.extend({
'noPrint': '.no-print'
}, options);
console.log(options,'options')
this.isShowPrint = options.isShowPrint;
if(Number.isInteger(options.awaitTime)){
this.awaitIndex = options.awaitTime*2;
}else{
this.awaitIndex = 60;
}
if ((typeof dom) === "string") {
this.dom = document.querySelector(dom);
} else {
this.isDOM(dom)
this.dom = this.isDOM(dom) ? dom : dom.$el;
}
var content = this.getStyle() + this.getHtml();
return this.printByAuto(content);
};
Print.prototype = {
init: function() {
},
extend: function(obj, obj2) {
for (var k in obj2) {
obj[k] = obj2[k];
}
return obj;
},
getStyle: function() {
var str = "",
styles = document.querySelectorAll('style,link');
for (var i = 0; i < styles.length; i++) {
str += styles[i].outerHTML;
}
str += "<style>" + (this.options.noPrint ? this.options.noPrint : '.no-print') + "{display:none;}</style>";
return str;
},
getHtml: function() {
var inputs = document.querySelectorAll('input');
var textareas = document.querySelectorAll('textarea');
var selects = document.querySelectorAll('select');
for (var k = 0; k < inputs.length; k++) {
if (inputs[k].type == "checkbox" || inputs[k].type == "radio") {
if (inputs[k].checked == true) {
inputs[k].setAttribute('checked', "checked")
} else {
inputs[k].removeAttribute('checked')
}
} 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++) {
if (textareas[k2].type == 'textarea') {
textareas[k2].innerHTML = textareas[k2].value
}
}
for (var k3 = 0; k3 < selects.length; k3++) {
if (selects[k3].type == 'select-one') {
var child = selects[k3].children;
for (var i in child) {
if (child[i].tagName == 'OPTION') {
if (child[i].selected == true) {
child[i].setAttribute('selected', "selected")
} else {
child[i].removeAttribute('selected')
}
}
}
}
}
// 包裹要打印的元素
// fix: https://github.com/xyl66/vuePlugs_printjs/issues/36
let outerHTML = this.wrapperRefDom(this.dom).outerHTML
return 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
// 判断当前元素是否在 body 中，不在文档中则直接返回该节点
if (!this.isInBody(currDom)) return currDom
while (currDom) {
if (prevDom) {
let element = currDom.cloneNode(false)
element.appendChild(prevDom)
prevDom = element
} else {
prevDom = currDom.cloneNode(true)
}
currDom = currDom.parentElement
}
return prevDom
},
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;');
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);
setTimeout(function() {
document.body.removeChild(iframe)
}, 100)
}
},
toPrint: function(frameWindow) {
try {
setTimeout(function() {
frameWindow.focus();
try {
if (!frameWindow.document.execCommand('print', false, null)) {
frameWindow.print();
}
} catch (e) {
frameWindow.print();
}
frameWindow.close();
}, 10);
} catch (err) {
console.log('err', err);
}
},
printByAuto(content) { //这个是打印代码
var self = this
return new Promise(function(resolve, reject) {
var timeIndex = 0;
let LODOP = getLodop() //主要代码
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;');
w = f.contentWindow || f.contentDocument;
doc = f.contentDocument || f.contentWindow.document;
doc.open();
doc.write(content);
doc.close();
LODOP.PRINT_INIT()
LODOP.SET_PRINT_PAGESIZE(3, 0, 0,'A4')
LODOP.ADD_PRINT_HTM(
0, 0, '100%',
'100%',
content //获取要打印部分html
)
//以上为声明打印参数，具体请参照官网示例
//PRINT指令不再返回那个所谓“打印成功”
LODOP.SET_PRINT_MODE('CATCH_PRINT_STATUS', true)
if (LODOP.CVERSION) {
//判断c_lodop是否存在，安装了c-lodop就会存在
LODOP.On_Return = function(TaskID, Value) {
//value true为打印成功
var timer = setInterval(function() {
timeIndex += 1;
if (self.printStatus == 1 || self.printStatus) {
clearInterval(timer);
self.printStatus = 1;
resolve(1);
}
//预计等待实际30秒
if (timeIndex > self.awaitIndex) {
clearInterval(timer);
self.printStatus = 0;
resolve(0);
}
// PRINT_STATUS_BUSY
self.getStatusValue(Value); //查询打印任务完成状态
}, 500);
}
console.log(self.isShowPrint,'self.isShowPrint')
if(self.isShowPrint){
LODOP.PREVIEW() //这是有预览打印
}else{
LODOP.PRINT() //这是执行打印（无预览）
}
} else {
resolve(0);
}
})
},
getStatusValue: function(job) { //根据job代码，获取是否打印成功 检查是否还在队列 1还在队列 0可能已打完或未打而删除
var self = this;
LODOP.On_Return = function(TaskID, Value) {
// console.log("TaskID:" + TaskID);
console.log("打印成功状态:" + Value); //打印成功状态
if(Value != '' && Value!=undefined && Value!=undefined){
let newValue = parseInt(Value);
if(newValue == 0){
self.printStatus = 1;
}
if(newValue == 1){
self.printStatus = 0;
}
}
};
// console.log(job, 'job')
LODOP.GET_VALUE("PRINT_STATUS_EXIST", job);
},
// 检查一个元素是否是 body 元素的后代元素且非 body 元素本身
isInBody: function(node) {
return (node === document.body) ? false : document.body.contains(node);
},
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 = {}
MyPlugin.install = function(Vue, options) {
// 4. 添加实例方法
Vue.prototype.$printMeAuto = Print
}
export default MyPlugin
