Web表单交互
1.Web表单交互—提交表单的方法
<form action = '../lishuaibo/dome.php' method = 'post'>
<input type = 'text' name = 'user' value = 'woshi'/>
<input type = 'password' name = 'pew' value = ''/>
</form>
action 值:跳转位置
属性:method = ' ' 值:post、get
post 比较安全
get 会暴露信息
2.获取POST方式提交的表单数据
if (isset($_POST['user'])&&isset($_POST['pew'])) {
echo $_POST['user']; //输出结果:text
echo '<br />';
echo $_POST['pew']; //输出结果:password
}
3.数组方式提交数据—单选按钮
<input type = 'radio' name = 'equally' value = '男' checked/>男
<input type = 'radio' name = 'equally' value = '女'/>女
print_r($_POST['equally']);
4.数组方式提交数据—下拉菜单
<select name = "city">
<option value = "济南">济南</option><option value = "天津">天津</option>
<option value = "大连">大连</option><option value = "其他">其他</option>
</select>
print_r($_POST['city']);
5.数组方式提交数据—复选框
<input type = 'checkbox' name = 'equally' value = 'Apple'/>苹果
<input type = 'checkbox' name = 'equally' value = 'Pear'/>梨
<input type = 'checkbox' name = 'equally' value = 'orange'/>橘子
print_r($_POST['equally']);
6.提交
<input type = 'submit' value = '提交'/>