复制代码 代码如下:
/**
  * 定义降序的groupingstore
  */
var descgroupingstore = ext.extend(ext.data.groupingstore, {
groupdir : 'asc',
groupby : function(field, forceregroup, direction) {
    direction = direction ? (string(direction)
              .touppercase() == 'desc' ? 'desc' : 'asc')
              : this.groupdir;
    if (this.groupfield == field
           this.groupdir == direction && !forceregroup) {
          return;
   }
   this.groupfield = field;
   this.groupdir = direction;
   if (this.remotegroup) {
       if (!this.baseparams) {
          this.baseparams = {};
       }
       this.baseparams['groupby'] = field;
          this.baseparams['groupdir'] = direction;
       }
       if (this.grouponsort) {
            this.sort(field, direction);
            return;
       }
       if (this.remotegroup) {
            this.reload();
       } else {
            var si = this.sortinfo || {};
            if (si.field != field || si.direction != direction) {
                this.applysort();
            } else {
                this.sortdata(field, direction);
            }
            this.fireevent('datachanged', this);
        }
    },
    applysort : function() {
        ext.data.groupingstore.superclass.applysort.call(this);
        if (!this.grouponsort && !this.remotegroup) {
            if (this.groupfield != this.sortinfo.field
                    || this.groupdir != this.sortinfo.direction) {
                this.sortdata(this.groupfield, this.groupdir);
            }
        }
    },
    applygrouping : function(alwaysfirechange) {
        if (this.groupfield !== false) {
            this.groupby(this.groupfield, true, this.groupdir);
            return true;
        } else {
            if (alwaysfirechange === true) {
                this.fireevent('datachanged', this);
            }
            return false;
        }
    }
});
复制代码 代码如下:
/*************************调用***************************/
// 消息列表数据源
var messagestore = new descgroupingstore({
    proxy : new ext.data.httpproxy({
        url : listmessgrid.action
    }),
    reader : myreader,
    groupdir : 'desc',
    groupfield : 'status',
    sortinfo : {
        field : 'id',
        direction : desc
    }
});
messagestore.load();
复制代码 代码如下:
/*****************在gridpanel中添加如下属性*************************************/
view : new ext.grid.groupingview({
    showgroupname : false,
    grouptexttpl : '{gvalue}:{text} ({[values.rs.length]} {[values.rs.length > 1 ? 封 : 封]})',
    showgroupstext : ddd
})