Solving the problem of echoing new characters and editing characters in Ztree

Ztree was used in the project recently. It took a while to echo, so I recorded it for next time reference.

1. Use ztree to load permissions for new roles. Since there are not many permissions, you can load them all directly.

Rendering:

Specific ztree code involved:

Import in jsp:/js/ztree/zTreeStyle.css and js/ztree/jquery.ztree.all-3.5.js

page addition

< ;ul id="functionTree" class="ztree">

js code (the layer pop-up effect is added to this js):

<script>
    $(function() {
      // 授权树初始化
      var setting = {
        data : {
          key : {
            title : "t"
          },
          simpleData : {
            enable : true
          }
        },
        check : {//使用ztree选中效果
          enable : true,
        }
      };
      $.ajax({
        url : &#39;${pageContext.request.contextPath}/rest/sys/getAllFunction&#39;,//发送ajax请求加载权限数据
        type : &#39;get&#39;,
        dataType : &#39;json&#39;,
        success : function(data) {//data就是服务端返回的权限数据
          //var zNodes = eval("(" + data + ")");
          //使用权限数据初始化ztree
          $.fn.zTree.init($("#functionTree"), setting, data);
        },
        error : function(msg) {
          alert(&#39;树加载异常!&#39;);
        }
      });
        
      //确定添加按钮
      $("#btn_submit").click(function() {
        if(checkHousetype()){
          //获得ztree对象
          var treeObj = $.fn.zTree.getZTreeObj("functionTree");
          //获得当前ztree对象选中的节点数组
          var nodes = treeObj.getCheckedNodes(true);//在提交表单之前将选中的checkbox收集
          //循环数组，获得节点的ID，拼接成字符串使用逗号分隔
          var array = new Array();
          for(var i=0;i<nodes.length;i++){
            array.push(nodes[i].id);
          }
          var ids = array.join(",");
          $("input[name=funcitonIds]").val(ids);
  
          var formData = new FormData($("#formproject")[0]);
           $.ajax({
            type : "POST",
            url : "${pageContext.request.contextPath }/rest/sys/addRole",
//           data : $("#formproject").serialize(),
            data:formData,
            contentType: false,
            processData: false,
            statusCode : {
              201 : function() {
                layer.msg(&#39;新增角色成功!&#39;, {icon: 6,time:1500},function(){
                  location.href = "${pageContext.request.contextPath }/rest/sys/page/rolelist";
                })
              },
              400 : function() {
                layer.msg(&#39;提交的参数不合法&#39;, {time:1500});
              },
              500 : function() {
                layer.msg(&#39;网络异常，请稍候再试!&#39;, {time:1500});
              }
            }
          });
        }
      });
    });
      
      
      
    //校验
    function checkHousetype(){
      var flag = true ;
      //关键字
      if($("#code").val()==&#39;&#39;){
        flag = false ;
        layer.msg(&#39;请输入关键字&#39;, {time:1500});
        return flag ;
      }
      //名称
      if($("#name").val()==&#39;&#39;){
        flag = false ;
        layer.msg(&#39;请输入角色名称&#39;, {time:1500});
        return flag ;
      }
        
      return flag ;
    }
  </script>

Ztree format in permissions:

private String id;
private String name;
private String code;
private String description;
  
// private String page;
//private String generatemenu;
//private String zindex;
  
private String pid;
private boolean isParent;
  
//ztree组件需要格式
public String getpId() {
   return this.pid==null?"0":this.pid;
 }
  
 ......

2. Edit role echo Ztree

js code:

<script>
   var zNodes;
    var setting = {
        check: {
          enable: true
        },
        data: {
          simpleData: {
            enable: true
          }
        }
      };
    //当页面加载完毕，向后台发送ajax请求，获取用户id为1的用户所拥有的权限
    //（这里要显示所有权限，该id用户的权限回显时，被自动选中）,这里的用户id为1仅做测试使用，实际开发中会传值
    function loadPower(roleId){
          $.ajax({
            type:"post",
            url:"${pageContext.request.contextPath }/rest/sys/queryFunByRoleId",
            data:{"roleId":roleId},
            async:false,
            dataType:"json",
            success:function(data){
              zNodes=data;
            }
          })
    }
    $(function() {
      // 授权树初始化
      var setting = {
        data : {
          key : {
            title : "t"
          },
          simpleData : {
            enable : true
          }
        },
        check : {//使用ztree选中效果
          enable : true,
        }
      };
      //页面加载完毕时加载此方法
      $(document).ready(function(){
        var id = $("#roleId").val();
        loadPower(id);
        $.fn.zTree.init($("#functionTree"), setting, zNodes);
      });
        
      //确定添加按钮
      $("#btn_submit").click(function() {
        if(checkHousetype()){
          //获得ztree对象
          var treeObj = $.fn.zTree.getZTreeObj("functionTree");
          //获得当前ztree对象选中的节点数组
          var nodes = treeObj.getCheckedNodes(true);//在提交表单之前将选中的checkbox收集
          //循环数组，获得节点的ID，拼接成字符串使用逗号分隔
          var array = new Array();
          for(var i=0;i<nodes.length;i++){
            array.push(nodes[i].id);
          }
          var ids = array.join(",");
          $("input[name=funcitonIds]").val(ids);
  
          var formData = new FormData($("#formproject")[0]);
           $.ajax({
            type : "POST",
            url : "${pageContext.request.contextPath }/rest/sys/eidtRole",
//           data : $("#formproject").serialize(),
            data:formData,
            contentType: false,
            processData: false,
            statusCode : {
              201 : function() {
                layer.msg(&#39;编辑角色成功!&#39;, {icon: 6,time:1500},function(){
                  location.href = "${pageContext.request.contextPath }/rest/sys/page/rolelist";
                })
              },
              400 : function() {
                layer.msg(&#39;提交的参数不合法&#39;, {time:1500});
              },
              500 : function() {
                layer.msg(&#39;网络异常，请稍候再试!&#39;, {time:1500});
              }
            }
          });
        }
      });
    });
      
      
      
    //校验
    function checkHousetype(){
      var flag = true ;
      //关键字
      if($("#code").val()==&#39;&#39;){
        flag = false ;
        layer.msg(&#39;请输入关键字&#39;, {time:1500});
        return flag ;
      }
      //名称
      if($("#name").val()==&#39;&#39;){
        flag = false ;
        layer.msg(&#39;请输入角色名称&#39;, {time:1500});
        return flag ;
      }
        
      return flag ;
    }
  </script>

java background:

controller:

/**
   * 编辑角色，回显角色权限
   * @param roleId
   * @return
   */
  @RequestMapping(value = "queryFunByRoleId", method = RequestMethod.POST)
  public ResponseEntity<List<Map<String, Object>>> queryFunByRoleId(String roleId) {
    try {
      if(StringUtils.isBlank(roleId)){
        // 返回400
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(null);
      }
      return ResponseEntity.ok(sysService.queryFunByRoleId(roleId));
    } catch (Exception e) {
      e.printStackTrace();
    }
    // 出错 500
    return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(null);
  }

service :

Due to the contains method correction in List The age check failed, and I didn’t worry about the reason. I wrote the verification based on the ID

/**
   * zTree v3回显
   * 初始化化权限树
   * 拼接treeNode属性
   */
  @Transactional(readOnly=true)
  public List<Map<String, Object>> queryFunByRoleId(String roleId) {
    //查询所有权限
    List<AuthFunction> functions = queryAllAuthFunction();
    //查询指定角色的权限
    List<AuthFunction> functionsByRoleId = findFunctionByRoleId(roleId);
    //包装zTree
      
    List<Map<String, Object>> list =new ArrayList<Map<String, Object>>();
    Map<String, Object>map=null;
    for(int i=0;i<functions.size();i++){
      map=new HashMap<>();
      //Role role=functions.get(i);
      AuthFunction fun = functions.get(i);
      map.put("id", fun.getId());
      map.put("pId", fun.getpId());
      map.put("name", fun.getName());
      map.put("isParent", fun.getIsParent());
      //判断指定用户的角色是否在所有角色中包含，有则设置checked=true.
      if(functionsByRoleId != null && functionsByRoleId.size()>0 && ListIsContainsObj(functionsByRoleId,fun)){
        map.put("checked",true);
      }else {
        map.put("checked",false);
      }
      list.add(map);
    }
    return list;
  }
    
  //校验全部权限中是否有某个权限，有返回true
  private boolean ListIsContainsObj(List<AuthFunction> functions, AuthFunction fun) {
    if(fun == null || functions == null || functions.size()<=0){
      return false;
    }
    for (AuthFunction authFunction : functions) {
      if(fun.getId().equals(authFunction.getId())){
        return true;
      }
    }
    return false;
  }