1.先放一張最終結果圖片,如果你認爲這主是你要的結果,那請把接着往下看代碼
2.代碼爲封裝成了一個工具類,有需要的小夥伴直接control+c吧
package com.sunkee.business.admin.common.utils;
import com.sunkee.business.admin.common.domain.XTreeGrid;
import com.sunkee.business.admin.common.model.ShiroPermissions;
import com.sunkee.business.make.utils.StringUtil;
import net.sf.json.JSONArray;
import java.util.ArrayList;
import java.util.List;
/**
* ☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆
* @developers LONGZHIQIANG
* @createtime 2018/11/2 10:36.
* @describe 用於封裝樹型結構樹(無限層級)
* ☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆
*/
public class XTreeKit {
public static List<XTreeGrid> formatTree(List<ShiroPermissions> permissions) {
List<XTreeGrid> menuList = new ArrayList<XTreeGrid>();
for (ShiroPermissions ps:permissions) {
if(ps.getPermParentCode().equals("0")){ //遍歷所有一級節點,並找出所有一級節點下的所有子節點
XTreeGrid grid = getXTreeGrid(ps, permissions);
menuList.add(grid);
}
}
return menuList;
}
/**
* 遞歸查找子菜單
*/
public static List<XTreeGrid> getChild(String id, List<ShiroPermissions> rootMenu) {
List<XTreeGrid> childList = new ArrayList<>();
for (ShiroPermissions root : rootMenu) {
// 遍歷所有節點,將父菜單編碼與傳過來的編碼進行比較、若相同則繼續查看該節點下是否還有子節點
if (!StringUtil.isEmpty(root.getPermParentCode())) {
if (root.getPermParentCode().equals(id)) {
XTreeGrid grid = getXTreeGrid(root, rootMenu);
childList.add(grid);
}
}
}
return childList;
}
//構建 XTreeGrid(實體對象)
public static XTreeGrid getXTreeGrid(ShiroPermissions ps, List<ShiroPermissions> permissions){
XTreeGrid x = new XTreeGrid();
x.setId(ps.getPermId());
x.setCode(ps.getPermCode());
x.setParenCode(ps.getPermParentCode());
x.setTitle(ps.getPermName());
x.setValue(ps.getPermPermission());
x.setData(getChild(ps.getPermCode(),permissions)); //遞增遍歷所有子節點(無限層級)
return x;
}
}
3.直接調用
/**
* ☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆
* @developers LONGZHIQIANG
* @createtime 2018/10/31 17:56.
* @describe 前往添加角色頁面
* ☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆☆☆★☆☆☆☆
*/
@RequiresPermissions(PER_ADD)
@RequestMapping(value = "/add",method = RequestMethod.GET)
public String add(Model model) throws Exception{
List<ShiroPermissions> permissions = shiroPermissionsService.queryPermissionsAll();
List<XTreeGrid> grid = XTreeKit.formatTree(permissions);
model.addAttribute("permissions",JSONArray.fromObject(grid));
return TABLE_VIEW+"/role-add";
}
4.java實體類
package com.sunkee.business.admin.common.domain;
import java.io.Serializable;
import java.util.List;
/**
* xtree樹形表格基礎對象
*
*/
public class XTreeGrid implements Serializable{
private static final long serialVersionUID = -9189631784252440402L;
public Integer id; //節點id(記錄主健)並不是上下級的ID
public String code; //節點code (元素本身編碼用於上下級關連關係)
public String parenCode; //節點父Code(與節點code區分上下級關係)
public String title; // 顯示的值 (必填 xTree插件中所需屬性)
public String value; // 隱藏的值 (必填 xTree插件中所需屬性)
public Boolean checked = false; //默認是否選中(選填 xTree插件中所需屬性) true爲選中,false與不填都爲不選中
public Boolean disabled = false; //是否可用 (選填 xTree插件中所需屬性) true爲不可用,false與不填都爲可用
public Boolean expanded = false; //是否展開 (選填 xTree插件中所需屬性)true爲展開,默認爲不展開
public List<XTreeGrid> data; //孩子節點 (必填 xTree插件中所需屬性 沒子節點該值爲空集合)
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public String getParenCode() {
return parenCode;
}
public void setParenCode(String parenCode) {
this.parenCode = parenCode;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getValue() {
return value;
}
public void setValue(String value) {
this.value = value;
}
public Boolean getChecked() {
return checked;
}
public void setChecked(Boolean checked) {
this.checked = checked;
}
public Boolean getDisabled() {
return disabled;
}
public void setDisabled(Boolean disabled) {
this.disabled = disabled;
}
public Boolean getExpanded() {
return expanded;
}
public void setExpanded(Boolean expanded) {
this.expanded = expanded;
}
public List<XTreeGrid> getData() {
return data;
}
public void setData(List<XTreeGrid> data) {
this.data = data;
}
}
以上就是所有代碼,是不是很簡單啊