java mysql的latin1转UTF-8
网上大部分方法：先usename latin;然后再view plain copy
[*] System.out.println(new String(s.getBytes("ISO-8859-1"), "UTF-8"));
尝试过以后，完全不好使。
下面方法亲测有效：sql语句正常写，不需要添加use name，得到的string用以下函数转换
view plain copy
[*] public String convertCharset(String s) {
[*] if (s != null) {
[*] try {
[*] int length = s.length();
[*] byte[] buffer = new byte;
[*] // 0x81 to Unicode 0x0081, 0x8d to 0x008d, 0x8f to 0x008f, 0x90
[*] // to 0x0090, and 0x9d to 0x009d.
[*] for (int i = 0; i < length; ++i) {
[*] char c = s.charAt(i);
[*] if (c == 0x0081) {
[*] buffer = (byte) 0x81;
[*] } else if (c == 0x008d) {
[*] buffer = (byte) 0x8d;
[*] } else if (c == 0x008f) {
[*] buffer = (byte) 0x8f;
[*] } else if (c == 0x0090) {
[*] buffer = (byte) 0x90;
[*] } else if (c == 0x009d) {
[*] buffer = (byte) 0x9d;
[*] } else {
[*] buffer = Character.toString(c).getBytes("CP1252");
[*] }
[*] }
[*] String result = new String(buffer, "UTF-8");
[*] return result;
[*] } catch (UnsupportedEncodingException e) {
[*] e.printStackTrace();
[*] }
[*] }
[*] return null;
[*] }
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