<form><fieldset><legendclass="p30 f18 font-bold font-blue tc">基本用法</legend><divclass="form-group"><labelclass="form-label"for="exampleInputEmail1">Email address</label><inputtype="email"class="form-control"id="exampleInputEmail1"placeholder="Enter email"></div><divclass="form-group"><labelclass="form-label"for="exampleInputPassword1">Password</label><inputtype="password"class="form-control"id="exampleInputPassword1"placeholder="Password"></div><divclass="form-group"><labelclass="form-label"for="exampleInputFile">File input</label><inputtype="file"id="exampleInputFile"><pclass="form-help-block">Example block-level help text here.</p></div><divclass="form-checkbox"><label><inputtype="checkbox"> Check me out
</label></div><divclass="form-radio"><label><inputtype="radio"> Check me out
</label></div><divclass="checkbox"><labelclass="form-label"><inputtype="checkbox"value="">
Option one is this and that—be sure to include why it's great
</label></div><divclass="checkbox disabled"><labelclass="form-label"><inputtype="checkbox"value=""disabled>
Option two is disabled
</label></div><divclass="radio"><labelclass="form-label"><inputtype="radio"name="optionsRadios"id="optionsRadios1"value="option1"checked>
Option one is this and that—be sure to include why it's great
</label></div><divclass="radio"><labelclass="form-label"><inputtype="radio"name="optionsRadios"id="optionsRadios2"value="option2">
Option two can be something else and selecting it will deselect option one
</label></div><divclass="radio disabled"><labelclass="form-label"><inputtype="radio"name="optionsRadios"id="optionsRadios3"value="option3"disabled>
Option three is disabled
</label></div><inputclass="btn btn-style8 btn-xl"type="submit"value="submit"><inputclass="btn btn-style8 btn-lg"type="submit"value="submit"><inputclass="btn btn-style8"type="submit"value="submit"><inputclass="btn btn-style8 btn-sm"type="submit"value="submit"></fieldset></form>