中英文字符串被截断导致乱码

来源：互联网发布：java验证码识别库编辑：程序博客网时间：2024/05/29 16:45

工作中碰到甲方提供文件某字符串字段被截断，遗留半个中文字符串导致获取后出现乱码，只能写个方法做下判断过滤。

char* RetTruncate(char* strSrc, int nMaxLen){if (strSrc == NULL || nMaxLen == 0) {return NULL;}int index = 0;int len = strlen(strSrc);while(index < nMaxLen) {if(strSrc[index] < 0) {index += 2;} else {index += 1;}}if(index > nMaxLen) {strSrc[nMaxLen - 1]='\0';} else if(len > nMaxLen) {strSrc[nMaxLen] = '\0';}}

public final String readString(int size, boolean bTruncate) throws IOException {byte [] b = new byte[size];int n =read(b);if (n < 0)throw new EOFException();if(bTruncate) RetTruncate(b, size);return new String(b,"gbk").trim();}public void RetTruncate(byte[] value, int len){int index = 0;while(index < len) {if( value[index] < 0 ) {index += 2;} else {index += 1;}}if(index > len) {value[len-1]='\0';} else if(value.length > len) {value[len] = '\0';}}

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