多選框html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="x-ua-compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Title</title> </head> <body> <form action="http://www.baidu.com" method="get"> <div> <!-- 複選框 --> <p> 用戶愛好: 羽毛球<input type="checkbox" value="1"> 籃球<input type="checkbox" value="2"> 足球<input type="checkbox" value="3"> 讀書<input type="checkbox" value="4"> </p> </div> <input type="submit" value="提交"> </form> </body> </html>
name屬性設置爲同樣,這樣後臺就知道用戶選中了幾個ui
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="x-ua-compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Title</title> </head> <body> <form action="http://www.baidu.com" method="get"> <div> <!-- 複選框 --> <p> 用戶愛好: 羽毛球<input type="checkbox" name="favor" value="1"> 籃球<input type="checkbox" name="favor" value="2"> 足球<input type="checkbox" name="favor" value="3"> 讀書<input type="checkbox" name="favor" value="4"> </p> </div> <input type="submit" value="提交"> </form> </body> </html>
url上傳遞name屬性相同url
加上checked 讓這個選項默認被選中
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="x-ua-compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Title</title> </head> <body> <form action="http://www.baidu.com" method="get"> <div> <!-- 複選框 --> <p> 用戶愛好: 羽毛球<input type="checkbox" name="favor" value="1" checked> 籃球<input type="checkbox" name="favor" value="2"> 足球<input type="checkbox" name="favor" value="3"> 讀書<input type="checkbox" name="favor" value="4"> </p> </div> <input type="submit" value="提交"> </form> </body> </html>