importjava.io.UnsupportedEncodingException;
importjava.net.URLDecoder;
importjava.net.URLEncoder;
publicclass test {
public static void main(String[] args){
String str1 = "上海"; //仅可输中文
String str3 ="%E5%95%86%E6%82%A6%E9%9D%92%E5%B9%B4%E4%BC%9A%E5%A4%A7%E9%85%92%E5%BA%97";//仅可输UTF-8字符
//中文转UTF-8
try {
System.out.println("（中文转 UTF-8：）");
System.out.println(URLEncoder.encode(str1, "UTF-8"));
} catch (UnsupportedEncodingException e) {
// TODOAuto-generated catch block
e.printStackTrace();
}
try {
String str2=(URLEncoder.encode(str1, "UTF-8"));
System.out.println(URLDecoder.decode(str2, "UTF-8"));
} catch (UnsupportedEncodingException e) {
// TODOAuto-generated catch block
e.printStackTrace();
}
//UTF-8字符转中文
try {
System.out.println("（UTF-8 转 中文：）");
System.out.println(URLDecoder.decode(str3, "UTF-8"));
} catch (UnsupportedEncodingException e) {
// TODOAuto-generated catch block
e.printStackTrace();
}
try {
String str4=(URLDecoder.decode(str3, "UTF-8"));
System.out.println(URLEncoder.encode(str4, "UTF-8"));
} catch (UnsupportedEncodingException e) {
// TODOAuto-generated catch block
e.printStackTrace();
}
}
}