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const Print = function (dom, options) {
if (!(this instanceof Print)) return new Print(dom, options);
this.options = this.extend(
{
noPrint: ".no-print"
},
options
);
if (typeof dom === "string") {
this.dom = document.querySelector(dom);
} else {
this.isDOM(dom);
this.dom = this.isDOM(dom) ? dom : dom.$el;
}
this.init();
};
Print.prototype = {
init: function () {
var content = this.getStyle() + this.getHtml();
this.writeIframe(content);
},
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>";
str +=
"<style> table {border: 1px solid #000;} .el-table__header {border: 1px solid #000;border-bottom: none;} .el-table__body {border-top: none;} .el-table td, .el-table th.is-leaf {border: 1px solid #000; border-right: 1px solid #000;} .print-title-content {display:block !important;} #backBtn {display:none;} #img-wrapper {display:block !important;} #echarts {display:none;} .box-card {border: 1px solid #000;} .el-tabs__header {display:none !important;}</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");
}
}
}
}
}
return this.dom.outerHTML;
},
writeIframe: function (content) {
var w,
doc,
iframe = document.createElement("iframe"),
f = document.body.appendChild(iframe);
iframe.id = "myIframe";
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);
}
},
isDOM: function (obj) {
if (typeof HTMLElement === "object") {
return obj instanceof HTMLElement;
} else {
return (
obj &&
typeof obj === "object" &&
obj.nodeType === 1 &&
typeof obj.nodeName === "string"
);
}
}
};
const MyPlugin = {};
MyPlugin.install = function (Vue, options) {
Vue.prototype.$print = Print;
};
export default MyPlugin;
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