<script language="javascript1.2" src="<s:url value="/js/jquery.js" includeParams="false"/>"></script> <script language="javascript1.2" src="<s:url value="/js/dictionary.js" includeParams="false"/>"></script>

/** *↓↓↓↓↓↓↓↓↓↓ *作者：ZhuangZi *类名：公用方法初始化 *功能：公用方法初始化 *详细：公用方法初始化 *版本：1.0 *日期：2013-03-22 *说明： *↑↑↑↑↑↑↑↑↑↑ */ $(function(){ /*1.失去焦点验证↓↓↓*/ $("#code").blur(callback);//1.code就是你要验证的唯一标志的控件ID 2.你控件后面必须要有个接收错误信息的控件 /*2.提交时候验证↓↓↓*/ $("#submit").click(callback);//你页面的提交按钮ID }); /** *↓↓↓↓↓↓↓↓↓↓ *作者：ZhuangZi *类名：验证唯一标识公用方法 *功能：唯一验证 *详细：唯一标识ID和提交按钮ID要和下面保持一致 *版本：1.0 *日期：2013-03-22 *说明： *↑↑↑↑↑↑↑↑↑↑ */ function callback() { var slef=$("#code"); var code=slef.val(); var submit=$("#submit"); var flag=$("#flag").val(); if(null==code||""==code){ slef.next().html("下载包标识不能为空!"); submit.attr("disabled",true); return; }else{ if(!code.match("^\\w+$")){ slef.next().html("标识由数字母或下划线组成!"); return ; } slef.next().html("*"); } $.ajax({ type:'post', url:'../dictionary/checkCodeOnly.do', data:'bean.code='+code+'&bean.flag='+flag, dataType:'json', success:function(json){ if(json>0){ slef.next().html("此标识已存在!"); submit.attr("disabled",true); return ; }else{ slef.next().html(""); if(code != null && code!=""){ submit.attr("disabled",false); }else{ submit.attr("disabled",true); return; } } }, error:function(){ alert('验证信息出错'); } }); }

   <s:hidden id="flag" value="3"/> <!-flag 什么类型的标志-> <tr>                    <td width="40%" height="33" class="addtabletd1">下载标识：</td>                    <td width="60%" height="33" class="addtabletd2"><div align="left">                    <s:textfield id="code" name="yhaoPortalsDownBean.downFlag" cssClass="textfrom" cssStyle="width:150px;"  maxlength="200"/>                   <font id="codeInfo" color="red">*</font>                    </div></td>                  </tr>

/** * * @author ZhuangZi * @class com.hzdracom.action.YhaoPortalsDictionaryAction * @method checkCodeOnly * @Directions 验证唯一标识公用方法 * @date 2013-3-21上午10:09:04 void */ public void checkCodeOnly(){ String json=""; try{ json = String.valueOf(yhaoDictionaryService.checkCodeOnly(bean)); json=JSON.toJSONString(json); System.out.println("json=="+json); HttpServletResponse response=ServletActionContext.getResponse(); response.setContentType("text/html"); response.setCharacterEncoding("utf-8"); PrintWriter out; out = response.getWriter(); out.println(json); out.flush(); out.close(); }catch(Exception e){ e.printStackTrace(); } }

<PRE class=java name="code"> public int checkCodeOnly(DictionaryBean bean)throws DataAccessException,Exception { Object[] sqlParams = new Object[4]; int index = 0; String sql=""; /* 验证页面标志是否唯一*/ if (bean.getFlag().equals("1")) { sql = "select count(1) from YHAO_PORTALS_PAGE where PAGE_FLAG = ? "; sqlParams[index]=bean.getCode(); index++; } /* 验证类型志标识是否唯一*/ if (bean.getFlag().equals("2")) { sql = "select count(1) from YHAO_PORTALS_DOWNTYPE where DOWNTYPE_FLAG = ? "; sqlParams[index]=bean.getCode(); index++; } /* 验证下载志标识是否唯一*/ if (bean.getFlag().equals("3")) { sql = "select count(1) from YHAO_PORTALS_DOWN where DOWN_FLAG = ? "; sqlParams[index]=bean.getCode(); index++; } if (bean.getFlag().equals("4")) { sql = "select count(1) from YHAO_PORTALS_KUAI where KUAI_FLAG = ? "; sqlParams[index]=bean.getCode(); index++; } Object[] sqlParamsEnd = new Object[index]; System.arraycopy(sqlParams, 0, sqlParamsEnd, 0, index); int count = this.queryForInt(sql,sqlParamsEnd); return count; }</PRE> <PRE></PRE>