自己写一个
public static String leftTrim(String src)
{
if (src == null)
return null; int head = 0;
while (head < src.length() && src.charAt(head) <= ' ')
head++;
return head > 0 ? src.substring(head) : src;
}
public static String leftTrim(String src)
{
if (src == null)
return null; int head = 0;
while (head < src.length() && src.charAt(head) <= ' ')
head++;
return head > 0 ? src.substring(head) : src;
}
trim()真的是只去掉后面的空格吗?我测试过了前后都去掉的阿
结果s="I am a men."