<%!public static String decode(String s,String encoding) throws Exception {
StringBuffer sb = new StringBuffer();
for(int i=0; i<s.length(); i++) {
char c = s.charAt(i);
switch (c) {
case '+':
sb.append(' ');
break;
case '%':
try {
sb.append((char)Integer.parseInt(
s.substring(i+1,i+3),16));
}
catch (NumberFormatException e) {
throw new IllegalArgumentException();
}
i += 2;
break;
default:
sb.append(c);
break;
}
}
// Undo conversion to external encoding
String result = sb.toString();
byte[] inputBytes = result.getBytes("8859_1"); //WEB容器以ISO8859_1处理HTTP GET/POST参数的编码方式
return new String(inputBytes,encoding);
}
%>
StringBuffer sb = new StringBuffer();
for(int i=0; i<s.length(); i++) {
char c = s.charAt(i);
switch (c) {
case '+':
sb.append(' ');
break;
case '%':
try {
sb.append((char)Integer.parseInt(
s.substring(i+1,i+3),16));
}
catch (NumberFormatException e) {
throw new IllegalArgumentException();
}
i += 2;
break;
default:
sb.append(c);
break;
}
}
// Undo conversion to external encoding
String result = sb.toString();
byte[] inputBytes = result.getBytes("8859_1"); //WEB容器以ISO8859_1处理HTTP GET/POST参数的编码方式
return new String(inputBytes,encoding);
}
%>
博客给出了一个Java的字符串解码方法。该方法接收字符串和编码格式作为参数,处理字符串中的特殊字符,如'+'和'%',并将结果转换为指定编码格式的字符串,过程中涉及字符处理、异常抛出等操作。
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