比如：http://localhost:8080/images/download.do?mediaKey=QKx9X8gW%2FrQL9yWQ8X7kswKI%2Bu5nt5LJqNVEXxERK6WUaqr6SiXsfQ%3D%3D&mediaName=creditLevel.png
http://localhost:8080/api/v1.0/do然后封装参数
看个人喜欢 拼接字符串吧