javascript製作sql轉換為stringBuffer的小工具_javascript技巧

sql轉換為stringBuffer的小工具，dao層拼接sql很麻煩，用這個小工具可以快速拼接，把寫好的sql在sql工具中格式化好，然後複製進去就可以了

示範地址：http://runjs.cn/detail/fj14tpyu    有點醜,建議全屏查看，不過你下載下來可以自己修改

代碼

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><TITLE>change SQL</TITLE><META NAME="Generator" CONTENT="EditPlus"><META NAME="Author" CONTENT=""><META NAME="Keywords" CONTENT=""><META NAME="Description" CONTENT=""> <script>  var ie = !-[1,];    function changeSQL(){    var srcSQL = document.getElementById("srcSQL");    var srcInner = srcSQL.value;    var sqlBuf = "sqlBuf"    var BufObj = "StringBuffer sqlBuf = new StringBuffer();"    var newSrc = "";    if(ie){      var newSrc = srcInner.split("\r\n");    }else{      var patt = new RegExp(/.+/g);      var newSrc = srcInner.match(patt);    }    var len = newSrc.length;    for(var i=0;i<len;i++){      var temp=newSrc[i];      if(i < len-1){      sqlBuf += ".append(\" " + temp + " \")" + "\r\n";      }      if(i == len-1){      sqlBuf += ".append(\" " + temp + " \");";      }    }         var showSQL = document.getElementById("showSQL");    showSQL.innerText = BufObj + "\n" + sqlBuf;  }      </script></HEAD><BODY><table border="1" width="100%" >  <tr align="center">    <td width="45%"><textarea id="srcSQL" rows="40" cols="85" ></textarea></td>    <td>      <button onclick="changeSQL()" style="cursor:hand;"><font color="blue" size="5"><b>轉換</b></button><p>           </td>    <td width="45%"><textarea id="showSQL" rows="40" cols="85" ></textarea></td>  </tr></table></BODY></HTML>

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