java传递String参数不会改变原String参数,此处传递的是copy package numCombine; public class NumComberAll { public static void main(String[] args) { // TODO Auto-generated method stub String s = "lll"; fun(s); System.out.println(s); } public static void fun(String s
api postman 结果 { , "message": "Content type 'multipart/form-data;boundary=--------------------------043259503089931000115304;charset=UTF-8' not supported" } 问题解决,重新设置postman 数据 {"id":13,","nickName":"bb1&q