PHP代码
- //将内容进行UNICODE编码
- function unicode_encode($name)
- {
- $name = iconv('UTF-8', 'UCS-2', $name);
- $len = strlen($name);
- $str = '';
- for ($i = 0; $i < $len - 1; $i = $i + 2)
- {
- $c = $name[$i];
- $c2 = $name[$i + 1];
- if (ord($c) > 0)
- { //两个字节的文字
- $str .= '\u'.base_convert(ord($c), 10, 16).base_convert(ord($c2), 10, 16);
- }
- else
- {
- $str .= $c2;
- }
- }
- return $str;
- }
- //将UNICODE编码后的内容进行解码
- function unicode_decode($name)
- {
- //转换编码，将Unicode编码转换成可以浏览的utf-8编码
- $pattern = '/(\\\u([\w]{4}))/i';
- $name = preg_replace_callback( $pattern , '_unicode_decode' , $name );
- return $name;
- }
- function _unicode_decode( $str ) {
- $str = $str[0];
- $name = '';
- $code = base_convert(substr($str, 2, 2), 16, 10);
- $code2 = base_convert(substr($str, 4), 16, 10);
- $c = chr($code).chr($code2);
- $c = iconv('UCS-2', 'UTF-8', $c);
- $name .= $c;
- return $name;
- }
- function jsonDecode( $json , $to_encode = 'gbk' , & $i = 0 ) {
- if ( null === $i ) {
- $i = 0;
- }
- for( ; $i < strlen( $json ) ; $i ++ ) {
- $chr = $json[$i];
- switch( $chr ) {
- case '"' :
- case "'" :
- //字符串
- $i ++;
- $val = '';
- while( $json[$i] != $chr || $lastChr == '\\' ) {
- $lastChr = $json[$i];
- $val .= $lastChr;
- $i ++;
- }
- ++ $i;
- //字符串处理
- //unicode 转汉字
- $val = unicode_decode( $val );
- if ( strtolower( str_ireplace( '-' , '' , $to_encode ) ) !== 'utf8' ) {
- $val = mb_convert_encoding( $val , $to_encode , 'utf-8' );
- }
- $val = stripslashes( $val );
- return $val;
- break;
- case 'a' :
- case 'b' :
- case 'c' :
- case 'd':
- case 'e':
- case 'f':
- case 'g':
- case 'h':
- case 'i':
- case 'j':
- case 'k':
- case 'l':
- case 'm':
- case 'n':
- case 'o':
- case 'p':
- case 'q':
- case 'r':
- case 's':
- case 't':
- case 'u':
- case 'v':
- case 'w':
- case 'x':
- case 'y':
- case 'z':
- case 'A' :
- case 'B' :
- case 'C' :
- case 'D':
- case 'E':
- case 'F':
- case 'G':
- case 'H':
- case 'I':
- case 'J':
- case 'K':
- case 'L':
- case 'M':
- case 'N':
- case 'O':
- case 'P':
- case 'Q':
- case 'R':
- case 'S':
- case 'T':
- case 'U':
- case 'V':
- case 'W':
- case 'X':
- case 'Y':
- case 'Z':
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- //字符串
- if ( trim( $chr ) === '' ) {
- continue;
- }
- $val = $chr;
- while( preg_match( '#^[a-zA-Z0-9\.]$#' , $json[++$i] ) ) {
- $val .= $json[$i];
- }
- $lVal = strtolower( $val );
- if ( $lVal == 'true' ) {
- return true;
- }
- if ( $lVal == 'false' ) {
- return false;
- }
- if ( preg_match( '#^[0-9\.]+$#' , $lVal ) ) {
- return $val + 0;
- }
- return $val;
- case '{' :
- $val = array();
- $i ++;
- $key = '';
- while( $json[$i] != '}' ) {
- $key .= $json[$i];
- $i ++;
- if ( $json[$i] == ':' ) {
- $key = ltrim( $key );
- $key = ltrim( $key , ',' ); //去除,
- $key = trim( $key );//去两边的空白
- if ( preg_match( '#^"(.+?)"$#' , $key , $m ) ) {
- $key = $m[1];
- }
- if ( preg_match( '#^\'(.+?)\'$#' , $key , $m ) ) {
- $key = $m[1];
- }
- ++ $i;
- $val[$key] = jsonDecode( $json , $to_encode , $i );
- $key = '';
- }
- }
- ++ $i;
- return $val;
- break;
- case '[' :
- $val = array();
- $i ++;
- $t = 0;
- while( $json[$i] != ']' ) {
- if ( $json[$i] == ',' ) {
- $i ++;
- continue;
- }
- $val[] = jsonDecode( $json , $to_encode , $i );
- }
- $i ++;
- return $val;
- break;
- }
- }
- return NULL ;
- }
用法：
PHP代码
- $array_gbk = jsonDecode( $jsonString );
- $array_utf8 = jsonDecode( $jsonString , 'utf-8' );
