下拉框combobox用法&级联餐单

  <td> <input id="waytype" name="waytype"   class="easyui-combobox" /></td>

 $(function () {
              var _actiontype = $(‘#waytype‘).combobox({
                  type: "GET",
                  dataType: ‘json‘,
                  url: "/xxxx/xxxx.json",
                  editable: false,
                  valueField: ‘id‘,
                  textField: ‘text‘,
                  onSelect: function (record) {
                  },
                  onLoadSuccess: function (data) {
                      if (data.length == 0) {
                          $.messager.alert("系统提示", "数据库异常，请联系管理员！", "warning");
                      } else {
                          var data1 = $(‘#waytype‘).combobox(‘getData‘);  //赋默认值
                          if (data1.length > 0) {
                              $("#waytype").combobox(‘select‘, data1[0].actionid);
                          }
                      }
                  }

              });
});

 <td> <input id="actiontype" name="actiontype"   class="easyui-combobox" style="width:80px" /></td>
 <td> <input id="waytype" name="waytype"   class="easyui-combobox" /></td>

 $(function () {
              var _actiontype = $(‘#actiontype‘).combobox({
                  type: "GET",
                  dataType: ‘json‘,
                  url: "/xxx/xxx.json",
                  editable: false,
                  valueField: ‘actionid‘,
                  textField: ‘actionname‘,
                  onSelect: function (record) {
                      //以下是根据第一个餐单选择值不同而去获取不同的二级连餐单，如果只是简单的根据第一个餐单值而去获取对应的数据源，不需要判断直接获取就ok了
                      if (record.actionid == "get") {
                          _waytype.combobox({
                              disabled: false,
                              url: ‘/xxx/GetWayTypeJson1‘,
                              valueField: ‘id‘,
                              textField: ‘text‘
                          }).combobox(‘clear‘);
                      }
                      else {
                          _waytype.combobox({
                              disabled: false,
                              url: ‘/xxx/GetWayTypeJson2‘,
                              valueField: ‘id‘,
                              textField: ‘text‘
                          }).combobox(‘clear‘);
                      }
                  },
                  onLoadSuccess: function (data) {
                      if (data.length == 0) {
                          $.messager.alert("系统提示", "数据库异常，请联系管理员！", "warning");
                      } else {
                          var data1 = $(‘#actiontype‘).combobox(‘getData‘);  //赋默认值
                          if (data1.length > 0) {
                              $("#actiontype").combobox(‘select‘, data1[0].actionid);
                          }
                      }
                  }

              });
              var _waytype = $(‘#waytype‘).combobox({
                  editable: false,
                  disabled: false,
                  valueField: ‘id‘,
                  textField: ‘text‘,
                  onLoadSuccess: function (data) {
                      if (data.length == 0) {
                          $.messager.alert("系统提示", "数据库异常，请联系管理员！", "warning");
                      } else {
                          var data1 = $(‘#waytype‘).combobox(‘getData‘);  //赋默认值
                          if (data1.length > 0) {
                              $("#waytype").combobox(‘select‘, data1[0].id);
                          }
                      }
                  }
              });
});