javascript - 直接从 JS 提交 PHP 表单(无 HTML)

Question

我正在尝试通过 JS 发送表单，而不需要 HTML，我有一个包含用户信息的表格，并且有使用 JS 自动添加的按钮，我无法将该信息传递给 HTML(JS表会覆盖 HTML 表并删除所有表单)，有没有一种方法可以仅使用 JS 向 PHP 提交查询？

这是我点击 JS 创建的按钮时运行的函数

function banAccount(id, username){
    swal({
        title: "Do you really want to ban "+username+"?",
        text: "Enter amount of days, -1 equals to permanent ban.",
        input: 'number',
        showCancelButton: true,
        confirmButtonColor: "#DD6B55",
        confirmButtonText: "Yes",
        showLoaderOnConfirm: true,
        preConfirm: function (duration) {
          return new Promise(function (resolve, reject) {
            setTimeout(function() {
              if (duration === '0') {
                reject('Please type -1 for permanent ban or a number greater than 1!')
              } else {
                resolve()
              }
            }, 2000)
          })
        },
    allowOutsideClick: false
    }).then(function(duration){
        action_id = id;
        action_type = "ban";
        action_params = duration;
        alert("id:"+action_id+", type:"+action_type+", params:"+action_params)
        // Here's where I need to send "action_id", "action_type" and "action_params" to PHP
    });
}

Answer 1

你需要使用ajax。

$.ajax ({
    url: "PHP-PAGE-TO-POST-TO.php",
    data: { action_id : action_id, 
            action_type : action_type, 
            action_params : action_params },
    success: function( result ) {
        alert("Hi, testing");
        alert( result );
        //the variable "result" holds any value the PHP script outputs
    }
});