| ·¢»õÆÚÏÞ: ×ÔÂò¼Ò¸¶¿îÖ®ÈÕÆð ÌìÄÚ·¢»õ | ËùÔÚµØ: ËÄ´¨ ÄϳäÊÐ |
| ÓÐЧÆÚÖÁ£º ³¤ÆÚÓÐЧ | Æ·ÅÆ£ºÄϳäcpaÅàѵѧУ |
ÏêÇé½éÉÜ


LEFT£¨text£¬num_chars£©ÓÃÓÚ·µ»ØÎı¾×Ö·û´®ÖеÚÒ»¸ö×Ö·û¿ªÊ¼ÖÁÖ¸¶¨¸öÊýµÄ×Ö·û¡£



£¨Î壩±¨±íÎļþµÄÊä³ö£¨2£©ÌîÖÆÆ¾Ö¤µÄÈÕÆÚ¡£Æ¾Ö¤ÌîÖÆµÄÈÕÆÚ¾ÍÊǾ¼ÃÒµÎñ·¢ÉúµÄÈÕÆÚ£¬±ãÓÚ¶Ô¾¼ÃÒµÎñµÄÉó²é¡£LEFT£¨text£¬num_cha
| ·¢»õÆÚÏÞ: ×ÔÂò¼Ò¸¶¿îÖ®ÈÕÆð ÌìÄÚ·¢»õ | ËùÔÚµØ: ËÄ´¨ ÄϳäÊÐ |
| ÓÐЧÆÚÖÁ£º ³¤ÆÚÓÐЧ | Æ·ÅÆ£ºÄϳäcpaÅàѵѧУ |

