java api

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package com.oy;

import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.UUID;
import org.junit.Test;

public class Demo {
    @Test
    public void demo1() throws Exception {
        String name = "张三123abc";
        String s = URLEncoder.encode(name, "utf-8"); // URL编码
        System.out.println(s); // %E5%BC%A0%E4%B8%89123abc

        s = URLDecoder.decode(s, "utf-8"); // URL解码
        System.out.println(s); // 张三123abc
    }
    
    // 获取UUID，32位字符串
    public static String uuid() {
        return UUID.randomUUID().toString().replace("-", "").toUpperCase();
    }
}

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log4j.properties

log4j.rootLogger=DEBUG, Console  
  
#Console  
log4j.appender.Console=org.apache.log4j.ConsoleAppender  
log4j.appender.Console.layout=org.apache.log4j.PatternLayout  
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n  
  
log4j.logger.java.sql.ResultSet=INFO  
log4j.logger.org.apache=INFO  
log4j.logger.java.sql.Connection=DEBUG  
log4j.logger.java.sql.Statement=DEBUG  
log4j.logger.java.sql.PreparedStatement=DEBUG