SpringBoot 接口扫描器_springboot twain扫描-优快云博客

此篇博客介绍了如何使用Spring Boot创建一个测试控制器，通过Hutool库扫描并返回所有URL映射及其对应的方法，展示了如何获取@RequestMapping和@RequestMethod注解的信息。

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package com.ciih.workshop.controller;

import cn.hutool.core.util.NumberUtil;
import com.ciih.workshop.task.BackUpDataBaseManager;
import com.ciih.workshop.utils.sun.AjaxJson;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.mvc.condition.PatternsRequestCondition;
import org.springframework.web.servlet.mvc.condition.RequestMethodsRequestCondition;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;

import javax.annotation.Resource;
import javax.websocket.Session;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


/**
 * Controller: 一个毫无业务的测试控制器。。。。。。
 *
 * @author SZW
 */
@RestController
@RequestMapping("test")
@Slf4j
public class AccAdminController extends BaseController {
    @Resource
    WebApplicationContext applicationContext;

    @RequestMapping("/get")
    public AjaxJson getUri() {
        RequestMappingHandlerMapping mapping = applicationContext.getBean(RequestMappingHandlerMapping.class);
        // 获取url与类和方法的对应信息
        Map<RequestMappingInfo, HandlerMethod> map = mapping.getHandlerMethods();
        List<Map<String, String>> list = new ArrayList<>();
        for (Map.Entry<RequestMappingInfo, HandlerMethod> m : map.entrySet()) {
            Map<String, String> result = new HashMap<>();
            RequestMappingInfo info = m.getKey();
            HandlerMethod method = m.getValue();
            PatternsRequestCondition p = info.getPatternsCondition();
            for (String url : p.getPatterns()) {
                result.put("url", url);
            }
            result.put("className", method.getMethod().getDeclaringClass().getName());
            result.put("method", method.getMethod().getName());
            RequestMethodsRequestCondition methodsCondition = info.getMethodsCondition();
            for (RequestMethod requestMethod : methodsCondition.getMethods()) {
                result.put("type", requestMethod.toString());
            }
            list.add(result);
        }
        return AjaxJson.getSuccess("扫描完毕:" + list.size(), list);
    }
}