Pay attention to the variable scope user, pwd cannot write ffunction variables outside
<div class="mui-content mui-content-padded">
<div class="mui-input-group">
<div class="mui-input-row">
<label>用户名</label>
<input type="text" placeholder="请输入用户名。。。" id="user" class="mui-input-clear"/>
</div>
input tag
minput——》mtext