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| <html lang="en">
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title></title>
<link rel="stylesheet" type="text/css" href="jquery-easyui-1.5/themes/gray/easyui.css">
<link rel="stylesheet" type="text/css" href="jquery-easyui-1.5/themes/icon.css">
<script type="text/javascript" src="jquery-easyui-1.5/jquery.min.js"></script>
<script type="text/javascript" src="jquery-easyui-1.5/jquery.easyui.min.js"></script>
<script type="text/javascript" src="jquery-easyui-1.5/locale/easyui-lang-zh_CN.js"></script>
</head>
<body style="padding:0px;margin:0px">
<table id="dg" style="width:100%;" data-options=""></table>
<div id="toolbar">
<table style='width:100%'>
<div id="toolbar">
<form >
<div>数据源:<select name="type">
<option value="mysqldb" selected="selected">mysqldb</option>
<option value="1">ORACLE</option>
</select>
数据库名:<input type="text" name="db_name" class="easyui-validatebox" required="true" placeholder="DATABASE" value="dqmm" id="db_name" /></div>
<div">
<di>SQL语句:</div><textarea id="tt" name="sqlstr" rows="10" cols="100" ></textarea>
</div>
</form>
<div>
<button type="button" onclick="select_clear();" class="easyui-linkbutton" iconCls="icon-undo" >清除SQL</button>
<button type="button" onclick="$('#dg').datagrid('clearSelections');" class="easyui-linkbutton" iconCls="icon-clear" >取消选中</button>
<button type="button" onclick="datagrid_load();" class="easyui-linkbutton" iconCls="icon-search" >执行查询</button>
</div>
</div>
</table>
<div id="dd" class="easyui-dialog" style="padding:5px;width:400px;height:200px;"
title="提示" iconCls="icon-ok"
buttons="#dlg-buttons">
输入SQL
</div>
<div id="dlg-buttons">
<a href="#" class="easyui-linkbutton" iconCls="icon-ok" onclick="javascript:$('#dd').dialog('close')">Ok</a>
<a href="#" class="easyui-linkbutton" iconCls="icon-cancel" onclick="javascript:$('#dd').dialog('close')">Cancel</a>
</div>
</div>
<script type="text/javascript">
//动态展示列和数据
var datagrid_load = function () {
var columns = new Array();//定义列数组
var ser = encodeURI($('form').serialize().replace(/(&)/g,'\/').replace(/(=)/g,'\/'));//参数需要跟下面保持一致
if ($("textarea[name='sqlstr']").val() == null || $("textarea[name='sqlstr']").val() == '') {
ser = ser + "select 1 from dual";
$('#dd').dialog('open');
}
$.getJSON('sql/'+ser, null, function (result) {//通过方法获得后台数据，该方法不唯一。
/*var column = {
field: 'field', title: '不变的', width: 100, sortable: true, editor: 'textReadonly',
}
columns.push(column);//将固定写死的列，存入列数组中*/
let rslt = {name: name};
let rsay = [];
if (Array.isArray(result)) {
rslt = result[0];
rsay = result;
} else {
rslt = result;
rsay.push(result);
}
for (var key in rslt) {//遍历获得的后台数据，这是需要动态显示的表头数据源
var column1 = {
field: key, title: key , width: 70, sortable: true, editor: {
type: 'numberbox',
}
}// field字段和title值都是根据后台的数据来赋值
columns.push(column1);//将需要动态显示的列，存入列数组中
}
grid = $('#dg').datagrid({ loadFilter: pagerFilter }).datagrid({ //定位到Table标签，Table标签的ID是grid
//url: 'sql/'+ser, //指向后台的Action来获取当前菜单的信息的Json格式的数据
data: rsay,
title: 'sql查询',
iconCls: 'icon-view',
// height: 650,
// width: '100%',
fit: true,
idField: 'ID',
method: 'get',
toolbar: '#toolbar',
pageSize: 50,
pagination: true,
rownumbers: true,
fitColumns: false, //横向滚动条
columns: [
columns,//通过js动态生成，这是关键。
],
});
});
}
function initTable(columns) {
// var ser = encodeURI($('form').serialize().replace(/(&)/g,'\/').replace(/(=)/g,'\/'));//参数需要跟下面保持一致
// if ($("textarea[name='sqlstr']").val() == null || $("textarea[name='sqlstr']").val() == '') {
// ser = ser + "select 1 from dual";
// }
grid = $('#dg').datagrid({ //定位到Table标签，Table标签的ID是grid
// url: 'sql/'+ser, //指向后台的Action来获取当前菜单的信息的Json格式的数据
title: 'sql查询',
iconCls: 'icon-view',
// height: 650,
// width: '100%',
fit: true,
idField: 'ID',
method: 'get',
toolbar: '#toolbar',
rownumbers: true,
fitColumns: false, //横向滚动条
columns: [
columns,//通过js动态生成，这是关键。
],
});
};
initTable();
function select_clear() {
$('#tt').val('');
}
function pagerFilter(data) {
if (typeof data.length == 'number' && typeof data.splice == 'function') { // is array
data = {
total: data.length,
rows: data
}
}
var dg = $(this);
var opts = dg.datagrid('options');
var pager = dg.datagrid('getPager');
pager.pagination({
onSelectPage: function (pageNum, pageSize) {
opts.pageNumber = pageNum;
opts.pageSize = pageSize;
pager.pagination('refresh', {
pageNumber: pageNum,
pageSize: pageSize
});
dg.datagrid('loadData', data);
}
});
if (!data.originalRows) {
data.originalRows = (data.rows);
}
var start = (opts.pageNumber - 1) * parseInt(opts.pageSize);
var end = start + parseInt(opts.pageSize);
data.rows = (data.originalRows.slice(start, end));
// console.log(data);
return data;
}
</script>
</body>
</html>
|
