java-insagent-pc/src/main/java/com/ydtech/modules/admin/controller/DemoController.java

package com.ydtech.modules.admin.controller;

import com.ydtech.modules.admin.model.SysUser;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;


@RestController
public class DemoController {

    @PreAuthorize("hasAuthority('sys:demo:view')")
    @GetMapping("/hello")
    public String hello() {
        return "Hello SpringSecurity!";
    }

    public static void main(String[] args) {
        List<SysUser> ls = null;
        System.out.println(ls.size());
    }
}