/**
* 判断是否为乱码
* @param cqrunnerxjzh date:2017.11.08
*/
private static boolean isChinese(char c) {
Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION
|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
return true;
}
return false;
}
/**
* 判断是否为乱码
* @param cqrunnerxjzh date:2017.11.08
*/
public static boolean isMessyCode(String strName) {
Pattern p = Pattern.compile("\\s*|\t*|\r*|\n*");
Matcher m = p.matcher(strName);
String after = m.replaceAll("");
String temp = after.replaceAll("\\p{P}", "");
char[] ch = temp.trim().toCharArray();
float chLength = 0 ;
float count = 0;
for (int i = 0; i < ch.length; i++) {
char c = ch[i];
if (!Character.isLetterOrDigit(c)) {
if (!isChinese(c)) {
count = count + 1;
}
chLength++;
}
}
float result = count / chLength ;
if (result > 0.4) {
return true;
} else {
return false;
}
}
/**
* 中文乱码处理
* @param cqrunnerxjzh date:2017.11.08
*/
public static String toChinese(String str){
if(isMessyCode(str)){
try {
return new String(str.getBytes("ISO8859-1"), "UTF-8");
} catch (Exception e) {
}
}
return str;
}
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