替换切换密码显示图标

src/components/passport/common/passwordInput/index.js

 import React, { Component } from 'react';
 import './password-input.scss'
+import classnames from 'classnames'
 
 import Input from '../Input'
 
@@ -24,7 +25,10 @@ class PasswordInput extends Component {
                 placeholder={placeholder}
                 onChange={onChange}
             >
-                <i className={'iconfont iconiconfront-54'} onClick={this.togglePasswordVisibility}/>
+                <i className={classnames('iconfont', {
+                    'iconpwd-hidden': this.state.showPassword,
+                    'iconyanjing': !this.state.showPassword
+                })} onClick={this.togglePasswordVisibility}/>
             </Input>
         );
     }