保存是自己拼接字符串,
public class Test {
public static void main(String[] args) {
// 原字符串数组
String[] a = {"ht://.1...","ht://.2...","ht://.3..."};
// 保存时用符号分隔拼接
String str = "ht://.1...,ht://.2...,ht://.3...";
// 取出时根据分隔符转换
String[] array = str.split(",");
}
}
追问程序在运行的时候我肯定不可能手动填个逗号
怎么让它自动填逗号呢
追答就是手动拼接啊,怎么不能??
public class Test {
public static void main(String[] args) {
// 原始字符串数数组
String[] a = {"ht://.1...","ht://.2...","ht://.3..."};
// 拼接
String str = null;
for (int i = 0; i < a.length; i++) {
if (str == null) {
str = a[i];
}else{
str = str + "," + a[i];
}
}
System.out.println(str);
}
}
结果:ht://.1...,ht://.2...,ht://.3...