/**
* @author ***
* @title: Test2
* @projectName osaos
* @description TODO
* @date 2021/9/26 15:31
*/
public class Test2 {
public static void main(String[] args) {
Map<String,String> map = new TreeMap<>();
map.put("b","b");
map.put("a","a");
String s = joinMapValue(map, '&');
System.out.println(s);
}
public static String joinMapValue(Map<String, String> map, char connector) {
StringBuffer sb = new StringBuffer();
for (Map.Entry<String, String> entry : map.entrySet()) {
sb.append(entry.getKey());
sb.append('=');
if (entry.getValue() != null) {
sb.append(entry.getValue());
}
sb.append(connector);
}
return sb.toString();
}
}