datagrid--5 一些小的功能 -

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datagrid--5 一些小的功能

博客分类：

jquery-easyui-1.2.6

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="this is my page">
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">

    
    <link rel="stylesheet" type="text/css" href="../jslib/jquery-easyui-1.3.1/themes/default/easyui.css">
    
    <link rel="stylesheet" type="text/css" href="../jslib/jquery-easyui-1.3.1/themes/icon.css">

    <script type="text/javascript" src="../jslib/jquery-easyui-1.3.1/jquery-1.8.0.min.js"></script>
    <script type="text/javascript" src="../jslib/jquery-easyui-1.3.1/jquery.easyui.min.js"></script>
    <script type="text/javascript" src="../jslib/jquery-easyui-1.3.1/locale/easyui-lang-zh_CN.js"></script>
    <script type="text/javascript" src="../jslib/syUtil.js"></script>

<script type="text/javascript">

  var datagrid;
  var editRow = undefined;

  $(function(){

   datagrid = $("#datagrid").datagrid({
    url : sy.bp()+'/userController/datagrid.action',
    iconCls : "icon-save",
    pagination : true,
    pageSize : 10,
    pageList : [10,20,30],
    //fit属性让这个表格填充到父级容器中
    fit : true,
    //fitColumns让表格自动调整列的宽度，而不出现横向的滚动条
    fitColumns : false,
    //如果一个列的值太长，需要折行显示，就需要设置nowrap : false
    nowrap : false,
    border : false,
    idField : "id",
    //行的样式
    rowStyler : function(rowIndex,rowData){
     if(rowData.name=='guest'){
      return "background:red";
     }
    },
    sortName : "name",
    sortOrder : "desc",
    //要使用frozenColumns那么fitColumns必须为false
    //frozenColumns就是在出现列滚动条时，下面这几列不动
    frozenColumns : [[
     {
      title:"编号",
      //field:"id",
      width:100,
      checkbox:true
     },
     {
      title:"姓名",
      field:"name",
      width:100,
      sortable:true,
      align : 'center',
      styler : function(value,rowData,rowIndex){
       if(value=='guest'){
        return "background:green";
       }
      }
     }
    ]],
    columns : [[
     {
      title:"密码",
      field:"pwd",
      width:400,
      //一定要返回一个字符串
      formatter:function(value,rowData,rowIndex){

       return "<span title='"+value+"'>"+value+"</span>";
      }
     },
     {title:"创建时间", field:"createdatetime", width:600},
     {title:"最后修改时间", field:"modifydatetime", width:600},
     {
      title:"控制",
      //借用一个字段，不然就显示不出来，上面那个field:"id",就注释掉
      field:"id",
      width:400,
      //一定要返回一个字符串
      formatter:function(value,rowData,rowIndex){

       return "<button>删除</button><button onclick='edit("+rowIndex+");'>编辑</button>";
      }
     }
    ]],
    toolbar : [
     {text:"新增",iconCls:"icon-add",handler:function(){
      if(editRow != undefined){
       datagrid.datagrid('endEdit',editRow);
      }else{
       datagrid.datagrid('insertRow',{
        index : 0,
        row : {

        }
       });

       changEditorAdd();

       datagrid.datagrid('beginEdit',0);

       editRow = 0;
      }
     }},
     "-",
     {text:"删除",iconCls:"icon-remove",handler:function(){
      var rows = datagrid.datagrid('getSelections');
      if(rows.length>0){
       $.messager.confirm("请确认","你确定要删除所选择的的记录吗？",function(r){

        if(r){
         var ids = [];
         for(var i=0;i<rows.length;i++){
          ids.push(rows[i].id);
         }

         $.ajax({
          url : sy.bp()+'/userController/remove.action',
          data : {
           ids : ids.join(',')
          },
          dataType : 'json',
          success : function(r){
           datagrid.datagrid('load');
           datagrid.datagrid('unselectAll');
           $.messager.show({title:"提示",msg:"删除成功"});
          }
         });
        }
       });
      }else{
       $.messager.alert("提示","请选择要删除的记录","warning");
      }
     }},
     "-",
     {text:"修改",iconCls:"icon-edit",handler:function(){
      var rows = datagrid.datagrid('getSelections');
      if(rows.length==1){
       if(editRow != undefined){
        datagrid.datagrid('endEdit',editRow);
       }else{
        changEditorEdit();
        editRow = datagrid.datagrid('getRowIndex',rows[0]);
        datagrid.datagrid('beginEdit',editRow);
       }
      }
     }},
     "-",
     {text:"保存",iconCls:"icon-save",handler:function(){
      datagrid.datagrid('endEdit',editRow);
     }},
     "-",
     {text:"取消编辑",iconCls:"icon-redo",handler:function(){
      editRow = undefined
      datagrid.datagrid('rejectChanges');
      datagrid.datagrid('unselectAll');
     }},
    ],
    onAfterEdit : function(rowIndex, rowData, changes){

     var inserted = datagrid.datagrid('getChanges','inserted');
     var updated = datagrid.datagrid('getChanges','updated');

     if(inserted.length<1&&updated.length<1){
      editRow = undefined;
      datagrid.datagrid('unselectAll');
      return;
     }

     var url = "";
     if(inserted.length>0){
      url = "/userController/add.action";
     }
     if(updated.length>0){
      url = "/userController/edit.action";
     }

     $.ajax({
      url : sy.bp()+url,
      data : rowData,
      dataType : 'json',
      success : function(r){
       if(r&&r.success){
        datagrid.datagrid('acceptChanges');
        $.messager.show({
         title:'提示',
         msg:"操作成功！"
        });
       }else{
        datagrid.datagrid('rejectChanges');
        $.messager.alert("错误",r.msg,"error");
       }

       editRow = undefined;
      }
     });
    },
    onDblClickRow: function(rowIndex, rowData){
     if(editRow != undefined){
      datagrid.datagrid('endEdit',editRow);
     }else{
      changEditorEdit();
      datagrid.datagrid('beginEdit',rowIndex);
      editRow = rowIndex;
     }
    },
    //右键显示菜单
    onRowContextMenu: function(e, rowIndex, rowData){
     e.preventDefault();
     $(this).datagrid('unselectAll');
     $(this).datagrid('selectRow',rowIndex);
     $('#menu').menu('show', {
       left: e.pageX,
       top: e.pageY
     });
    }
   });

   //改变表头文字对齐方式
   $(".datagrid-header div").css("textAlign","left");

  });

  var search2 = function() {
   //load会回到第一页，reload会停留在当前页，所以一般用load
   datagrid.datagrid('load', getFormInput($('#searchForm')));
  };

  var clear2 = function(){
   datagrid.datagrid('load', {});
   $('#searchForm input').val('');
  }

  var getFormInput = function(form){
   var o = {};
   $.each(form.serializeArray(), function(index) {
    if (o[this['name']]) {
     o[this['name']] = o[this['name']] + "," + this['value'];
    } else {
     o[this['name']] = this['value'];
    }
   });
   return o;
  }

  //扩展一个editor
  $.extend($.fn.datagrid.defaults.editors, {
      datetimebox: {
          init: function(container, options){
              var editor = $('<input/>').appendTo(container);
              options.editable = false;
              //变成datetimebox
              editor.datetimebox(options);
              return editor;
          },
          getValue: function(target){
              return $(target).datetimebox('getValue');
          },
          setValue: function(target, value){
              $(target).datetimebox('setValue',value);
          },
          resize: function(target, width){
              $(target).datetimebox('resize',width);
          },
          destroy: function(target){
          $(target).datetimebox('destroy');
          }

      }
  });

  //为datagrid添加方法
  $.extend($.fn.datagrid.methods, {
   addEditor : function(jq, param) {
    if (param instanceof Array) {
     $.each(param, function(index, item) {
      var e = $(jq).datagrid('getColumnOption', item.field);
      e.editor = item.editor;
     });
    } else {
     var e = $(jq).datagrid('getColumnOption', param.field);
     e.editor = param.editor;
    }
   },
   removeEditor : function(jq, param) {
    if (param instanceof Array) {
     $.each(param, function(index, item) {
      var e = $(jq).datagrid('getColumnOption', item);
      e.editor = {};
     });
    } else {
     var e = $(jq).datagrid('getColumnOption', param);
     e.editor = {};
    }
   }
  });

  function changEditorAdd(){
   datagrid.datagrid('addEditor',[
   {
    field: 'pwd',
    editor: {
     type:'validatebox',
     options:{required:true}
    }
   },
   {
    field: 'name',
    editor: {
     type:'validatebox',
     options:{required:true}
    }
   }
   ]);

   datagrid.datagrid('removeEditor',['createdatetime','modifydatetime']);
  }

  function changEditorEdit(){
   datagrid.datagrid('removeEditor',['pwd']);
   datagrid.datagrid('addEditor',[
   {
    field: 'name',
    editor: {
     type:'validatebox',
     options:{required:true}
    }
   },
   {
    field: 'createdatetime',
    editor: {
     type:'datetimebox',
     options:{required:true}
    }
   },
   {
    field: 'modifydatetime',
    editor: {
     type:'datetimebox',
     options:{required:true}
    }
   }
   ]);
  }

  function edit(rowIndex){
   var row = datagrid.datagrid('getRows')[rowIndex];
   alert(row.name);
  }



</script>

</head>

<body>
<div class="easyui-layout" fit="true" border="false">

  <div title="查询" region="north" style="height:110px;overflow:hidden">
   <form id="searchForm">
    <table id="queryTab" style="width:100%;height:100%;">
     <tr>
      <th align="right">用户名</th>
      <td><input name="name"/></td>
     </tr>
     <tr>
      <th align="right">创建日期</th>
      <td>
       <input name="createdatetimeStart" class="easyui-datetimebox" editable="fasle" style="width:155px"/>
       至
       <input name="createdatetimeEnd" class="easyui-datetimebox" editable="fasle" style="width:155px"/>
       <a href="javascript:void(0);" class="easyui-linkbutton" iconCls="icon-search" plain="true" onclick="search2();">查询</a>
       <a href="javascript:void(0);" class="easyui-linkbutton" iconCls="icon-cut" plain="true" onclick="clear2();">清空</a>
      </td>
     </tr>
    </table>
   </form>
  </div>

  <div title="用户管理" region="center" border="false">
   <table id="datagrid"></table>
  </div>

<div id="menu" class="easyui-menu" style="width:120px;display:none;">
  <div onclick="" iconCls="icon-add">增加</div>
  <div onclick="" iconCls="icon-remove">删除</div>
  <div onclick="" iconCls="icon-edit">修改</div>
</div>

</div>

</body>
</html>