package com.limi.springboottest2.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.util.UrlPathHelper;
@Configuration
public class WebConfig implements WebMvcConfigurer {
    public void configurePathMatch(PathMatchConfigurer configurer) {
        UrlPathHelper urlPathHelper = new UrlPathHelper();
        // 設(shè)置不移除分號 ；后面的內(nèi)容。矩陣變量功能就可以生效
        urlPathHelper.setRemoveSemicolonContent(false);
        configurer.setUrlPathHelper(urlPathHelper);
    }
}

第二種，自定義WebMvcConfigurer類型組件并添加到容器中。

WebConfig

package com.limi.springboottest2.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.util.UrlPathHelper;
@Configuration
public class WebConfig implements WebMvcConfigurer {
    @Bean
    public WebMvcConfigurer webMvcConfigurer(){
        return new WebMvcConfigurer() {
            @Override
            public void configurePathMatch(PathMatchConfigurer configurer) {
                UrlPathHelper urlPathHelper = new UrlPathHelper();
                // 設(shè)置不移除分號 ；后面的內(nèi)容。矩陣變量功能就可以生效
                urlPathHelper.setRemoveSemicolonContent(false);
                configurer.setUrlPathHelper(urlPathHelper);
            }
        };
    }
}

3.代碼測試

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1>歡迎你好呀!</h1>
    <a href="/person/info;name=lsi;hobbies=basketball,football,tennis" rel="external nofollow" >1測試@MatrixVariable</a>
    <br>
    <a href="/person/1;age=50/2;age=30" rel="external nofollow" >2測試@MatrixVariable</a>
</body>
</html>

HelloController

package com.limi.springboottest2.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.MatrixVariable;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.ResponseBody;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Controller
public class HelloController {
    //    /person/info;name=lsi;hobbies=basketball,football,tennis
    @ResponseBody
    @GetMapping("/person/{path}")
    public Map<String,Object> get(@PathVariable("path") String path,
                                  @MatrixVariable("name") String name,
                                  @MatrixVariable("hobbies") List<String> hobbies){
        Map<String,Object> map = new HashMap<>();
        map.put("path",path);
        map.put("name",name);
        map.put("hobbies",hobbies);
        return map;
    }
    // 測試傳入兩組相同的類型的變量, 例如老板和員工的年齡
    // /person/1;age=50/2;age=30
    @ResponseBody
    @GetMapping("/person/{bossId}/{empId}")
    public Map boss(@MatrixVariable(value = "age",pathVar = "bossId") Integer bossAge,
                    @MatrixVariable(value = "age",pathVar = "empId") Integer empAge){
        Map<String,Object> map = new HashMap<>();
        map.put("bossAge",bossAge);
        map.put("empAge",empAge);
        return map;
    }
}

測試1

測試2

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