如下所示:
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//读取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 ;
//读取文件
string input = fileutils.readfiletostring(filepath, "utf-8" );
//将读取的数据转换为jsonobject
jsonobject jsonobject = jsonobject.fromobject(input);
if (jsonobject != null ) {
//取出按钮权限的数据
btnarray = jsonobject.getjsonarray( "btnlist" );
}
map<string, list<menuvo>> btnmap = new hashmap<>();
iterator<object> num = btnarray.iterator();
//遍历jsonarray,转换格式。按按钮集合按模块(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()));
}
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json文件
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{
"btnlist" : [
{
"name" : "用户管理" ,
"children" : [
{
"id" : "yhgladd" ,
"name" : "添加"
},
{
"id" : "yhgledit" ,
"name" : "编辑"
},
{
"id" : "yhgldelete" ,
"name" : "暂停"
},
{
"id" : "yhglstart" ,
"name" : "启用"
},
{
"id" : "yhglsee" ,
"name" : "查看"
}
]
},
{
"name" : "角色管理" ,
"children" : [
{
"id" : "jsgladd" ,
"name" : "添加"
},
{
"id" : "jsgledit" ,
"name" : "编辑"
},
{
"id" : "jsglauth" ,
"name" : "授权"
},
{
"id" : "jsgldelete" ,
"name" : "删除"
}
]
}
]
}
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以上这篇java读取本地json文件及相应处理方法就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/superlover_/article/details/79461111