SpringBoot 请求参数包含 [] 特殊符号_springboot接收query参数中带有[]

springBoot 版本 2.0.4.RELEASE

当参数含有特殊符号 [] 报错400

解决方案类似springMvc修改tomcat配置，springBoot 启动类中添加 bean

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.embedded.tomcat.TomcatConnectorCustomizer;
import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
public class SigncallbackApplication {

    public static void main(String[] args) {
        SpringApplication.run(SigncallbackApplication.class, args);
    }

    @Bean
    public TomcatServletWebServerFactory tomcatServletWebServerFactory (){
        // 修改内置的 tomcat 容器配置
        TomcatServletWebServerFactory tomcatServlet = new TomcatServletWebServerFactory();
        tomcatServlet .addConnectorCustomizers(
                (TomcatConnectorCustomizer) connector -> connector.setProperty("relaxedQueryChars", "[]{}")
        );
        return tomcatServlet ;
    }
}
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XXXController1.java

import com.alibaba.fastjson.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.bind.annotation.*;

/**
 * @author: ma dengling
 * @create: 2020-04-13 11:09
 * @Desc:
 */
@RestController
@RequestMapping(value = {"/signcallback1"})
public class TpnHtqzLogController1 {
    private static final Logger log = LoggerFactory.getLogger(TpnHtqzLogController1.class);

    @RequestMapping(value = "/htqz_log")
    public String htqzLog(String jsonString) {
        log.info(jsonString);
        JSONObject jsonObject = JSONObject.parseObject(jsonString);
        String callBackAction = jsonObject.getString("action");
        return callBackAction;
    }
}
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postman调用接口

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