Get方法中文传递参数乱码

public String base64(String content){
    //对字符串进行Base64编码
    try {
        content = Base64.encodeToString(content.getBytes("utf-8"),Base64.DEFAULT);
        content = URLEncoder.encode(content);               //对字符串进行URL编码
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();     //输出异常信息
    }
    return content;
}