ztree 的异步加载：就是一级一级的从下加载数据，从点击省加载到市，点击某个市加载县.....
XML
<select id="findProvinceList" resultType="com.zhiguangyun.modules.datavalid.entity.Region">
SELECT
AREA_NAME as "areaName",
REGION_CODE as "regionCode",
'0' as "pid",
AREA_NAME as "name"
FROM
tb_admindivision where
REGION_CODE LIKE '%000000000000'
order by REGION_CODE
</select>
<select id="findAreaList" resultType="com.zhiguangyun.modules.datavalid.entity.Region">
SELECT
AREA_NAME as "areaName",
REGION_CODE as "regionCode",
PARENTCODE as "pid",
AREA_NAME as "name"
FROM
tb_admindivision where
PARENTCODE = #{id}
order by REGION_CODE
</select>
<select id="findOrgList" resultType="com.zhiguangyun.modules.datavalid.entity.Region">
SELECT
ORG_NAME as "orgName",
ORG_CODE as "orgCode",
AREA_CODE as "pid",
ORG_NAME as "name"
FROM
TB_ORGANIZATION where
AREA_CODE = #{id}
order by AREA_CODE
</select>
controller
/**
* 获取省份数据
*/
@RequestMapping(value = "provinceData")
@ResponseBody
public List<Region> provinceData() {
List<Region> provinceList = dataSourceService.findProvinceList();
for (int i = 0; i < provinceList.size(); i++) {
String provinceId = provinceList.get(i).getRegionCode().substring(0, 2);
provinceList.get(i).setId(provinceId);
provinceList.get(i).setIsParent((true));
}
return provinceList;
}
/**
* 获取市县镇村数据
*/
@RequestMapping(value = "dataRegion")
@ResponseBody
public List<Region> dataRegion(String id) {
List<Region> list = null;
if (id.length() == 2 || id.length() == 4) {
// 市 县
Region region = new Region();
region.setId(id);
list = dataSourceService.findAreaList(region);
for (int i = 0; i < list.size(); i++) {
String rId = list.get(i).getRegionCode().substring(0, id.length() + 2);
list.get(i).setId(rId);
list.get(i).setIsParent(true);
}
} else if (id.length() == 6) {
// 镇
Region region = new Region();
region.setId(id);
list = dataSourceService.findAreaList(region);
for (int i = 0; i < list.size(); i++) {
String rId = list.get(i).getRegionCode().substring(0, id.length() + 3);
list.get(i).setId(rId);
list.get(i).setIsParent(true);
}
} else if (id.length() == 9) {
// 村
Region region = new Region();
region.setId(id);
list = dataSourceService.findAreaList(region);
for (int i = 0; i < list.size(); i++) {
String rId = list.get(i).getRegionCode().substring(0, id.length() + 3);
list.get(i).setId(rId);
List<Region> listChild = new ArrayList<Region>();
listChild = dataSourceService.findOrgList(list.get(i));
if (listChild.size() != 0)
list.get(i).setIsParent(true);
}
}
else if (id.length() == 12) {
// 机构
Region region = new Region();
region.setId(id);
list = dataSourceService.findOrgList(region);
}
return list;
}
entity
public class Region {
private String areaName; //地区名
private String regionCode; //地区表(tb_admindivision)地区编码
private String orgName; //机构名称
private String orgCode; //机构编码
private String name;
private boolean isParent;
private String id;
private String pid;
jsp
<link href="${ctxStatic}/jquery-ztree/3.5.12/css/zTreeStyle/metro.css" rel="stylesheet" type="text/css"/>
<script src="${ctxStatic}/jquery-ztree/3.5.12/js/jquery.ztree.all-3.5.min.js" type="text/javascript"></script>
<script type="text/javascript">
var setting = {
async : {
enable : true,
url : "${ctx}/datavalid/dataSource/dataRegion",
autoParam : [ "id" ],
},
data : {
simpleData : {
enable : true,
idKey : "id",
pidKey : "pid"
}
},
callback : {
onClick : zTreeOnclick
}
};
$(document).ready(function() {
initZTree();
});
function initZTree() {
$.ajax({
url : "${ctx}/datavalid/dataSource/provinceData",
type : "post",
dataType : "json",
success : function(data) {
/* alert(JSON.stringify(data)); */
$.fn.zTree.init($("#ztree"), setting, data);
},
error : function() {
}
});
}
function zTreeOnclick(event, treeId, treeNode) {
if (treeNode.orgName != null) {
window.parent.document.getElementById("orgName").value = ""
+ treeNode.orgName;
window.parent.document.getElementById("orgCode").value = ""
+ treeNode.orgCode;
//关闭此页面
var index = parent.layer.getFrameIndex(window.name);
parent.layer.close(index);
}
};
</script>
效果：
