如下所示：
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//讀取json文件地址 /* string path = getclass().getclassloader().getresource("menu.json").tostring(); path = path.replace("\\", "/"); if (path.contains(":")) { path = path.replace("file:/", ""); }*/ classpathresource resource = new classpathresource("menu.json"); file filepath = resource.getfile(); jsonarray btnarray = null; //讀取文件 string input = fileutils.readfiletostring(filepath, "utf-8"); //將讀取的數(shù)據(jù)轉(zhuǎn)換為jsonobject jsonobject jsonobject = jsonobject.fromobject(input); if (jsonobject != null) { //取出按鈕權(quán)限的數(shù)據(jù) btnarray = jsonobject.getjsonarray("btnlist"); } map<string, list<menuvo>> btnmap = new hashmap<>(); iterator<object> num = btnarray.iterator(); //遍歷jsonarray，轉(zhuǎn)換格式。按按鈕集合按模塊（name）放入map中 while (num.hasnext()) { jsonobject btn = (jsonobject) num.next(); btnmap.put((string) btn.get("name"), jsonarray.tolist((jsonarray) btn.get("children"), new menuvo(), new jsonconfig())); } |
json文件
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{ "btnlist": [ { "name": "用戶管理", "children": [ { "id": "yhgladd", "name": "添加" }, { "id": "yhgledit", "name": "編輯" }, { "id": "yhgldelete", "name": "暫停" }, { "id": "yhglstart", "name": "啟用" }, { "id": "yhglsee", "name": "查看" } ] }, { "name": "角色管理", "children": [ { "id": "jsgladd", "name": "添加" }, { "id": "jsgledit", "name": "編輯" }, { "id": "jsglauth", "name": "授權(quán)" }, { "id": "jsgldelete", "name": "刪除" } ] } ]} |
以上這篇java讀取本地json文件及相應(yīng)處理方法就是小編分享給大家的全部?jī)?nèi)容了，希望能給大家一個(gè)參考，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://blog.csdn.net/superlover_/article/details/79461111
