怎么把下面这段代码让他连接数据库,把填写的信息存入数据库,并且用户名不能重复,最好是在WEBSTORM中写的,急,大家帮帮忙
<div id="content2" style="display:inline">
<div id="yemian2hao" style="display:inline;float: left">
<form name="form1">
<p id="one1">请输入用户名:<input type="text" value="" name="typename"/></p>
<br/>
<p id="two1">请输入密码:<input type="text" value="" name="password"/></p>
<br/>
<p id="two11">请确认密码:<input type="text" value="" name="pwenter"/></p>
<br/>
<p id="three1">请输入邮箱:<input type="text" value="" name="email"/></p>
<br/>
<tr><td class=“left” width=40% align="right">
<label for="1">性 别:</label>
</td>
<td class="right">
<input type="radio" id="1" name="sex" value="nan" />男<!-- name设置成一样的就行了-->
<input type="radio" id="2" name="sex" value="nv" />女
</td>
</tr>
<br/><br/><br/>
<tr>
<td class=“left” width=60% align="right">地 区:</td>
<td>
<select id="selc" name="place" style="width:80px;height:20px">
<option value="quanzhou"></option>
<option value="quanzhou">南京</option>
<option value="xiamen">厦门</option>
<option value="zhangzhou">上海</option>
<option value="hangzhou">杭州</option>
<option value="tianjing">天津</option>
<option value="tianjing">广州</option>
</select>
</td>
</tr>
<br/><br/><br/>
<tr>
<td class=“left” width=40% align="right"><label for="txtarea">简 介:</label></td>
<td>
<textarea id="txtarea"></textarea></td>
</tr>
</form>
</div>