字符串/**
* 取字符串的前toCount个字符
*
* param str 被处理字符串
* param toCount 截取长度
* param more 后缀字符串
* version 2004.11.24
* author zhulx
* return String
*/
public static String substring(String str, int toCount,String more)
{
int reInt = 0;
String reStr = "";
if (str == null)
return "";
char[] tempChar = str.toCharArray();
for (int kk = 0; (kk < tempChar.length && toCount > reInt); kk++) {
String s1 = str.valueOf(tempChar[kk]);
byte[] b = s1.getBytes();
reInt += b.length;
reStr += tempChar[kk];
}
if (toCount == reInt || (toCount == reInt - 1))
reStr += more;
return reStr;
}
java中按字节截取String字符串.
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