Easyui DataGrid动态生成列
2015-09-17 17:14
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1、HTML Page
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$("#myList").datagrid({
title: '列表',
url:'datagrid_data.json',
width:500,
remoteSort:false,
singleSelect:true,
fitColumns:true,
columns:[
[field:'testName',title:'考试名称',width:80],
[field:'testDate',title:'考试时间',width:80],
[field:'gradeNo',title:'年级',width:80]
]
});
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function fetchData(){ var columns = []; var c = {fiele:"",title:"",width:160} columns.push(c); return [columns]; };
var c = {} 内部即为定义的列属性
按照基本定义初始化datagrid,此时可不定义columns
在datagrid定义外执行,fetchData()方法
[javascript]
view plaincopyprint?
function fetchData(nj){
var s = "";
s = "[[";
s = s + "{field:'testName',title:'考试名称',width:250},{field:'testDate',title:'考试时间',width:250},},";
// 定义可选列
if(true){
s = s + "{field:'gradeNo',title:'年级',width:100}";
}
s = s + "]]";
options = {};
options.url = '......';
options.queryParams = {
"":""
};
options.columns = eval(s);
// 追加列
options.columns[0].push(
{
title:'查看详情',width:60,
formatter:function(value,row,index){
return'<a href="#" onclick="remove('+index+')">删除</a>';
}
}
);
$('#myList').datagrid(options);
$('#myList').datagrid('reload');
}
* js 中的eval()函数,可计算某个字符串,并执行其中的JavaScript代码
http://www.w3school.com.cn/jsref/jsref_eval.asp
* 需要注意列定义的json格式
本文转载于:/article/1900253.html
一、DataGrid基本定义
1、HTML Page
[html]
view plaincopyprint?
<body>
<table id="myList"></table>
</body>
<body>
<table id="myList"></table>
</body>
2、Js中创建DataGrid
[javascript]view plaincopyprint?
$("#myList").datagrid({
title: '列表',
url:'datagrid_data.json',
width:500,
remoteSort:false,
singleSelect:true,
fitColumns:true,
columns:[
[field:'testName',title:'考试名称',width:80],
[field:'testDate',title:'考试时间',width:80],
[field:'gradeNo',title:'年级',width:80]
]
});
$("#myList").datagrid({ title: '列表', url:'datagrid_data.json', width:500, remoteSort:false, singleSelect:true, fitColumns:true, columns:[ [field:'testName',title:'考试名称',width:80], [field:'testDate',title:'考试时间',width:80], [field:'gradeNo',title:'年级',width:80] ] });
二、动态生成列
1、定义datagrid
columns:fetchData()2、实现fetchData方法
[javascript]view plaincopyprint?
function fetchData(){ var columns = []; var c = {fiele:"",title:"",width:160} columns.push(c); return [columns]; };
function fetchData(){ var columns = []; var c = {fiele:"",title:"",width:160} columns.push(c); return [columns]; };
var c = {} 内部即为定义的列属性
3、 与后台交互的动态加载
定义全局变量 var options = {};按照基本定义初始化datagrid,此时可不定义columns
在datagrid定义外执行,fetchData()方法
[javascript]
view plaincopyprint?
function fetchData(nj){
var s = "";
s = "[[";
s = s + "{field:'testName',title:'考试名称',width:250},{field:'testDate',title:'考试时间',width:250},},";
// 定义可选列
if(true){
s = s + "{field:'gradeNo',title:'年级',width:100}";
}
s = s + "]]";
options = {};
options.url = '......';
options.queryParams = {
"":""
};
options.columns = eval(s);
// 追加列
options.columns[0].push(
{
title:'查看详情',width:60,
formatter:function(value,row,index){
return'<a href="#" onclick="remove('+index+')">删除</a>';
}
}
);
$('#myList').datagrid(options);
$('#myList').datagrid('reload');
}
function fetchData(nj){ var s = ""; s = "[["; s = s + "{field:'testName',title:'考试名称',width:250},{field:'testDate',title:'考试时间',width:250},},"; // 定义可选列 if(true){ s = s + "{field:'gradeNo',title:'年级',width:100}"; } s = s + "]]"; options = {}; options.url = '......'; options.queryParams = { "":"" }; options.columns = eval(s); // 追加列 options.columns[0].push( { title:'查看详情',width:60, formatter:function(value,row,index){ return'<a href="#" onclick="remove('+index+')">删除</a>'; } } ); $('#myList').datagrid(options); $('#myList').datagrid('reload'); }
* js 中的eval()函数,可计算某个字符串,并执行其中的JavaScript代码
http://www.w3school.com.cn/jsref/jsref_eval.asp
* 需要注意列定义的json格式
本文转载于:/article/1900253.html
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