xxxxxxxxxx<html><head><meta charset="utf-8"> <title>W3Cschool(w3cschool.cn)</title> </head><body><form action="/statics/demosource/demo-form.php"><select name="cars[]" multiple> <option value="volvo">Volvo</option> <option value="saab">Saab</option> <option value="opel">Opel</option> <option value="audi">Audi</option></select><input type="submit"></form><p>按住 Ctrl (windows) / Command (Mac) 按钮来选择多个选项。</p></body></html>