1 問題原因

登錄時報302

2 SecurityConfig 配置關閉 csrf 跨站請求偽造還是報錯

package com.mangoubiubiu.security.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

/**
 * SecurityConfig 配置類
 */
@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {


    @Override
    protected void configure(HttpSecurity http) throws Exception {
            //表單登錄
            http.formLogin()
                    .loginProcessingUrl("/login")
                    .loginPage("/login.html")
                    .successForwardUrl("/main");
            //所有請求都必須被認證（登錄）
            http.authorizeRequests()
                    //放行登錄頁面
                    .antMatchers("/login.html").permitAll()
                    //所有請求都必須被認證（登錄）
                    .anyRequest().authenticated();

            //關閉 csrf 跨站請求偽造
            http.csrf().disable();
    }

    @Bean
    public PasswordEncoder pw(){
        return new BCryptPasswordEncoder();
    }

}