说明
可以针对校验状态为输入框添加额外的图标。只需设置相应的 .has-Feedback 类并添加正确的图标即可
示例
<Meta charset="utf-8">
<Meta http-equiv="X-UA-Compatible" content="IE=edge">
<Meta name="viewport" content="width=device-width,initial-scale=1">
Bootstrap 101 Template
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