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利用js生成读取页面数据并导出为excel

2016-09-30 14:24 671 查看

//核心，js部分

*/
var navs = new Vue({
el: '#navs',
data: {
navs: []
},
ready: function () {
this.$http.get('demoPC.json').then(function (response) {
this.navs = response.data;
});
}
});
Vue.component('simple-grid', {
template: '#grid-template',
props: ['persons', 'columns', 'searchKey']
});
var vm = new Vue({
el: '#lists',
data: {
searchKey: '',
columns: [{
name: '姓名'
}, {
name: '年龄'
}, {
name: '性别'
}],
persons: []
},
ready: function () {
this.$http.get('table.json').then(function (response) {
this.persons = response.data.aa;
});
}
})
// 页面json数据生成excel表
$(function () {
$('#JsonToExcel').click(function () {
var data = {
"title": [],
"data": []
};
var th = document.querySelectorAll('#lists table>thead>tr>th');
for (var i = 0; i < th.length; i++) {
data.title.push(th[i].innerHTML);
};
var tdrs = document.querySelectorAll('#lists table>tbody>tr');
for (var i = 0; i < tdrs.length; i++) {
var ele = [];
for (var j = 2; j <=4; j++) {
ele.push(tdrs[i].childNodes[j].innerHTML);
}
data.data.push(ele);
}
if (data == '') {
return;
}
JSONToExcelConvertor(data.data, "辅昊--电力", data.title);
});
});
function JSONToExcelConvertor(JSONData, FileName, ShowLabel) {
//先转化json
var arrData = typeof JSONData != 'object' ? JSON.parse(JSONData) : JSONData;
var excel = '<table>';
//生成表头
var row = "<tr>";
for (var i = 0; i < ShowLabel.length; i++) {
row += "<td>" + ShowLabel[i] + '</td>';
}
excel += row + "</tr>";
//循环生成表身
for (var i = 0; i < arrData.length; i++) {
var row = "<tr>";
for (var j in arrData[i]) {
//                    var name = arrData[i][index].name === "." ? "" : arrData[i][index].name;
var td = arrData[i][j];
row += '<td>' + td + '</td>';
}
excel += row + "</tr>";
}
excel += "</table>";
console.log(excel);
var excelFile = "<html xmlns:o='urn:schemas-microsoft-com:office:office' " +
"xmlns:x='urn:schemas-microsoft-com:office:excel' xmlns='http://www.w3.org/TR/REC-html40'>";
excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel; charset=UTF-8">';
excelFile += '<meta http-equiv="content-type" content="application/vnd.ms-excel';
excelFile += '; charset=UTF-8">';
excelFile += "<head>";
excelFile += "<!--[if gte mso 9]>";
excelFile += "<xml>";
excelFile += "<x:ExcelWorkbook>";
excelFile += "<x:ExcelWorksheets>";
excelFile += "<x:ExcelWorksheet>";
excelFile += "<x:Name>";
excelFile += "sheet";
excelFile += "</x:Name>";
excelFile += "<x:WorksheetOptions>";
excelFile += "<x:DisplayGridlines/>";
excelFile += "</x:WorksheetOptions>";
excelFile += "</x:ExcelWorksheet>";
excelFile += "</x:ExcelWorksheets>";
excelFile += "</x:ExcelWorkbook>";
excelFile += "</xml>";
excelFile += "<![endif]-->";
excelFile += "</head>";
excelFile += "<body>";
excelFile += excel;
excelFile += "</body>";
excelFile += "</html>";    var uri = 'data:application/vnd.ms-excel;charset=utf-8,' + encodeURIComponent(excelFile);    var link = document.createElement("a");    link.href = uri;    link.style = "visibility:hidden";    link.download = FileName + ".xls";    document.body.appendChild(link);    link.click();    document.body.removeChild(link);}

//html

<!DOCTYPE HTML>
<html>

<head>
<title>Adminstratior Platform</title>
<meta content="text/html;charset=utf-8" http-equiv="content-type">
<link rel="stylesheet" href="../css/bootstrap.min.css"/>
<link rel="stylesheet" href="../css/mui.min.css"/>
<link rel="stylesheet" href="../css/app1.css"/>
<link rel="stylesheet" href="../css/iconfont.css"/>
<script src="../js/jquery-1.12.2.min.js" type="text/javascript"></script>
<script src="../js/mui.min.js" type="text/javascript"></script>

</head>

<body>
<header id="adminstrator" class="mui-bar mui-bar-nav">
<div id="login" class="mui-btn mui-btn-primary">登陆</div>
<h1 class="mui-title"></h1>

</header>
<div class="mui-content">
<div id="navs" class="col-sm-4">
<ul class="mui-table-view mui-grid-view mui-grid-9 ">
<li v-for="item in navs" id="{{item.id}}"
class="mui-table-view-cell mui-media mui-col-xs-4 mui-col-sm-3">
<a href="javascript:;">
<span class="iconfont icon-{{item.imageUri.replace(/./,'')}}"></span>
<div class="mui-media-body" v-text='item.name'></div>
</a>
</li>
</ul>
</div>
<div id="lists" class="col-sm-8">
<div class="form-group">
<label>Search</label>
<input type="text" class="search-input" v-model="searchKey"/>
</div>
<simple-grid :persons="persons" :columns="columns" :search-key="searchKey">
</simple-grid>
<div id="JsonToExcel" class="mui-btn mui-btn-primary mui-pull-right" >JsonToExcel</div>
</div>
<template id="grid-template">
<table>
<thead>
<tr>
<th v-for="i in columns">
{{ i.name}}
</th>
</tr>
</thead>
<tbody>
<tr v-for="i in persons | filterBy searchKey">
<td v-for="j in columns">
{{i[j.name]}}
</td>
</tr>
</tbody>
</table>
</template>
</div>
</body>

<script>
$('#login').bind('click', function () {
alert('success');
});
$('#navs').delegate('li', 'click', function (e) {
e.stopPropagation();
$(this).find('span').toggleClass("chosen");
vm.persons.push({
"姓名": "Tracy",
"年龄": "22",
"性别": "Female"
});
});
</script>
<script src="../js/vue.js" type="text/javascript"></script><script src="../js/vue-resource.min.js" type="text/javascript"></script><script src="../js/demo-PC.js" type="text/javascript"></script></html>

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