easyui enableFilter combobox级联 combotree

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//网格过滤function datagridFilter(dg) {    dg.datagrid('enableFilter');    dg.datagrid('enableFilter', [{        field: 'townName',        type: 'combobox',        options: {            url: 'area/getAreas.action?type=2&parentCode=330106',            valueField: 'code',            textField: 'name',            onChange: function (value) {                //刷新数据，重新读取省份下的城市，并清空当前输入的值                var component = dg.datagrid('getFilterComponent', 'villageName');                component.combobox('reload', 'area/getAreas.action?type=2&parentCode=' + value);                if (value == '') {                    dg.datagrid('removeFilterRule', 'townName');                } else {                    dg.datagrid('addFilterRule', {                        field: 'townName',                        op: 'equal',                        value: value                    });                }                dg.datagrid('doFilter');            },            onLoadSuccess: function () {                var component = dg.datagrid('getFilterComponent', 'townName');                var component1 = dg.datagrid('getFilterComponent', 'villageName');                if (tvCode.length > 0) {                    if (tvCode.length == 9) {                        component.combobox('setValue', tvCode);                        component1.combobox('reload', 'area/getAreas.action?type=2&parentCode=' + component.combobox('getValue'));                    } else {                        component.combobox('setValue', tvCode.substring(0, 9));                        component1.combobox('reload', 'area/getAreas.action?type=2&parentCode=' + component.combobox('getValue'));                        component.combobox('readonly', "true");                    }                } else {                    if (areaCode.length == 9) {                        component.combobox('setValue', areaCode);                        component.combobox('readonly', "true");                        component1.combobox('reload', 'area/getAreas.action?type=2&parentCode=' + component.combobox('getValue'));                    } else if (areaCode.length == 12) {                        component.combobox('setValue', $("#areaCode").val().substring(0, 9));                        component1.combobox('reload', 'area/getAreas.action?type=2&parentCode=' + component.combobox('getValue'));                        component.combobox('readonly', "true");                    } else {                        dg.datagrid('doFilter');                    }                }            }        }    },    {        field: 'villageName',        type: 'combobox',        options: {            //url:'area/getAreas.action?type=2&parentCode=330106',            valueField: 'code',            textField: 'name',            onChange: function (value) {                //刷新数据，重新读取省份下的城市，并清空当前输入的值                if (value == '') {                    dg.datagrid('removeFilterRule', 'villageName');                } else {                    dg.datagrid('addFilterRule', {                        field: 'villageName',                        op: 'equal',                        value: value                    });                }                dg.datagrid('doFilter');            },            onLoadSuccess: function () {                var component = dg.datagrid('getFilterComponent', 'villageName');                var value = component.combobox('getValue');                if (tvCode.length == 12) {                    component.combobox('setValue', tvCode);                }                if (areaCode.length < 12) {                    dg.datagrid('addFilterRule', {                        field: 'villageName',                        op: 'equal',                        value: value                    });                } else if (areaCode.length > 9) {                    component.combobox('setValue', areaCode);                    component.combobox('readonly', "true");                    dg.datagrid('addFilterRule', {                        field: 'villageName',                        op: 'equal',                        value: value                    });                }            }        }    }]);}/***使用combotree 示例*/dg.datagrid('enbaleFilter',    [{        field: 'departmentName',        type: 'combotree',        options: {            panelHeight: 'auto',            multiple: true,            url: 'commonaction/queryDepartmentorgTreeData.action',            onLoadSuccess: function () {                var component = dg.datagrid('getFilterComponent', 'departmentName');                component.combotree('setValue', 4);            },            onChange: function (value) {                //var component = dg.datagrid('getFilterComponent', 'departmentName');                //var value=component.combotree('getValue');                dg.datagrid('addFilterRule', {                    field: 'departmentName',                    op: 'equal',                    value: value                });                dg.datagrid("doFilter");            }        }    }, {        field: 'projectName',        type: 'combotree',        options: {            url: "authorization/getProjectTreeByAccountId.action?accountId=" + $("#accountId").val(),            panelHeight: "auto",            editable: false, //不允许手动输入            multiple: true,            cascadeCheck: true,            onLoadSuccess: function (data) { //数据加载完毕事件                var component = dg.datagrid('getFilterComponent', 'projectName');                var data = component.combotree('tree').tree("getRoots");                if (data.length > 0) {                    component.combotree('tree').tree("check", data[0].target);//('select', data[0].target);                }            },            onChange: function (value) {                //var component = dg.datagrid('getFilterComponent', 'projectName');                //var data = component.combotree('tree').tree("getRoots");                //if (data.length > 0) {                //    component.combotree('tree').tree("check",data[0].target);//('select', data[0].target);                //}                var value = component.combotree('getValue');                dg.datagrid('addFilterRule', {                    field: 'projectName',                    op: 'equal',                    value: value,                });                dg.datagrid("doFilter");            }        }    }]);
文章转自：http://www.cnblogs.com/ckaifeng/p/5006569.html
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