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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>TableDemoDocument</title>
<style>
.rowStyle {
display: block;
border: 1px solid #e9e9e9;
}
.trStyle {
display: inline-block;
width: 200px;
text-align: left;
cursor: pointer;
}
.trStyle300 {
width: 300px;
}
.toolbar {
padding: 10px 20px 10px 20px;
height: 47px;
line-height: 30px;
font-size: 18px;
cursor: pointer;
border-radius: 20px;
background: #3498db;
background-image: linear-gradient(to bottom, #3498db, #2980b9);
box-shadow: 0px 1px 3px #666666;
color: #fff;
border: none;
margin-bottom: 20px;
margin-right: 10px;
text-decoration: none;
outline: none;
}
.toolbar:hover,
.toolbar:active {
background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
}
</style>
</head>
<body>
<div id="root"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.6.1/react-dom.js"></script>
<script>
var headers = ["header1", "header2", "header3", "header4"];
var data = [
['ctrl+F4 ctrl+F4 111', '作者： 222 ', '链接：http://www.imooc.com/article/12498', '来源：慕课网'],
['ctrl+D ctrl+shift+ 2222','作者： 333','链接：http://www.imooc.com/article/12498','来源：慕课网'],
['ctrl+D ctrl+shift+ 3333','作者： 111','链接：http://www.imooc.com/article/12498','来源：慕课网'],
['ctrl+D ctrl+shift+ 4444','作者： 666','链接：http://www.imooc.com/article/12498','来源：慕课网'],
['ctrl+D ctrl+shift+ 5555','作者： 555','链接：http://www.imooc.com/article/12498','来源：慕课网']
];
var Excel = React.createClass({
displayName: 'Excel',
_preSearchData: null, // 搜索结果过滤后的数据
propTypes: {
headers: React.PropTypes.arrayOf(
React.PropTypes.string
),
initialData: React.PropTypes.arrayOf(
React.PropTypes.arrayOf(
React.PropTypes.string
)
)
},
getInitialState: function () {
return {
data: this.props.initialData,
sortby: null, //当前选中的列
descending: false, //标记，升息或者降序
edit: null, // {row: index, cell: index}
search: false
}
},
// 升序或者降序
_sort: function(e){
var column = e.target.cellIndex;
var data = this.state.data.slice();
// 点击的当前列还是和之前的一样并且当前还不是降序的时候，进行降序处理
var descending = this.state.sortby === column && !this.state.descending;
// console.log(data, "data");
data.sort(function (a, b) {
// console.log(a[column] , b[column],"aaa");
return descending ? (a[column] < b[column] ? 1 : -1) : (a[column] > b[column] ? 1 : -1);
});
this.setState({
data:data,
sortby: column,
descending: descending
});
},
// 当用户双击的时候，单元格变成可编辑的input框
_showEditor: function (e) {
this.setState({
edit: {row: parseInt(e.target.dataset.row, 10), cell: e.target.cellIndex}
})
},
// 输入后保存值
_save: function(e) {
e.preventDefault(); // 避免浏览器默认行为，如提交表单后的网页重新加载
var input = e.target.firstChild;
// 复制一份数据，避免直接操作this.state
var data = this.state.data.slice();
data[this.state.edit.row][this.state.edit.cell] = input.value;
this.setState({
edit: null, // 完成编辑
data: data
});
},
// 搜索功能
_toggleSearch: function () {
if (this.state.search) {
this.setState({
data: this._preSearchData,
search: false
})
} else {
this._preSearchData = this.state.data; // 复制一份完整的数据，避免在搜索之后丢失数据
this.setState({search: true});
}
},
// 表格数据下载功能
_download: function (format, ev) {
var contents = format === 'json' ?
JSON.stringify(this.state.data)
: this.state.data.reduce(function (result, row) {
console.log(result,"rowresult");
return result + row.reduce(function (rowresult, cell, idx) {
console.log(rowresult,"cellresult");
return rowresult
+ '"'
+ cell.replace(/"/g, '""')
+ '"'
+ (idx < row.length -1 ? ',' : '');
}, '')
+ "\n";
}, '');
// console.log(contents,"contetns");
var URL = window.URL || window.webkitURL;
// console.log(URL);
var blob = new Blob([contents], {type: 'text/' + format});
ev.target.href = URL.createObjectURL(blob);
ev.target.download = 'data.' + format;
},
_renderToolbar: function () {
return React.DOM.div(null,
React.DOM.button({
className: 'toolbar',
onClick: this._toggleSearch
},'search'),
React.DOM.a({
className: 'toolbar',
onClick: this._download.bind(this, 'json'),
href: 'data.json'
},'Export JSON'),
React.DOM.a({
className: 'toolbar',
onClick: this._download.bind(this, 'csv'),
href: 'data.csv'
},'Export CSV')
);
},
_search: function (e) {
var needle = e.target.value.toLowerCase();
// 搜索字符为空时，显示原始数据
if (!needle) {
this.setState({
data: this._preSearchData
});
return null;
}
var idx = e.target.dataset.idx;
var searchdata = this._preSearchData.filter(function (row) {
console.log(row[idx].toString().toLowerCase().indexOf(needle), idx, "row");
return (
row[idx].toString().toLowerCase().indexOf(needle) > -1
)
});
this.setState({data: searchdata});
},
// 搜索input栏
_renderSearch: function () {
if (!this.state.search) {
return null;
}
return (
React.DOM.tr({onChange: this._search},
this.props.headers.map(function (_ignore, idx) {
return React.DOM.td({key: idx},
React.DOM.input({
type: 'text',
'data-idx': idx
})
);
}, this)
)
)
},
_renderTable: function () {
return (
React.DOM.table(null,
React.DOM.thead({onClick: this._sort},
React.DOM.tr({
className: 'rowStyle'
},
this.props.headers.map(function (title, key) {
if(this.state.sortby === key){
title+= this.state.descending ? '\u2191':'\u2193';
}
return React.DOM.th({key: key,className: key===2?'trStyle trStyle300':'trStyle'}, title);
}, this)
)
),
React.DOM.tbody({onDoubleClick: this._showEditor},
this._renderSearch(),
this.state.data.map(function (row, rowidx) {
return (
React.DOM.tr({
key: rowidx,
className: 'rowStyle'
},
row.map(function (cell, cellidx) {
var content = cell;
// TODO - 如果idx和rowid与当前单元格匹配则变成可编辑input框
const edit = this.state.edit;
if (edit && edit.row === rowidx && edit.cell === cellidx) {
content = React.DOM.form({onSubmit: this._save},
React.DOM.input({
type: 'text',
style: {width: '100%'},
defaultValue: content
})
);
// console.log(content,"content");
}
return React.DOM.td({
key: cellidx,
'data-row': rowidx,
className: cellidx===2?'trStyle trStyle300':'trStyle'
}, content);
}, this)
)
)
}, this)
)
)
)
},
render: function () {
return (
React.DOM.div(null,
this._renderToolbar(),
this._renderTable()
)
);
}
});
ReactDOM.render(
React.createElement(Excel, {
headers: headers,
initialData: data
}),
document.getElementById("root")
);
</script>
</body>
</html>