dareway-rui/build/util/openNewWindowByPost.js

'use strict';

var _interopRequireDefault = require('@babel/runtime/helpers/interopRequireDefault');

Object.defineProperty(exports, '__esModule', {
    value: true
});
exports.default = openNewWindowByPost;

var _slicedToArray2 = _interopRequireDefault(require('@babel/runtime/helpers/slicedToArray'));

function openNewWindowByPost(url) {
    if (!url) {
        throw new Error('openNewWindowByPost 入参 url 为空，请检查!');
    }

    if (!(typeof url == 'string')) {
        throw new Error('openNewWindowByPost 入参 url 必须为 String 类型，请检查!');
    } // 1. 通过原生FORM发起下载文件的请求
    // a. 动态创建一个FORM并追加到body

    var submitDataForm = document.createElement('FORM');
    submitDataForm.method = 'POST';
    document.body.appendChild(submitDataForm); // b. 将URL中的各字段分解为FORM中的实体并追加到动态创建的FORM中

    var questionMarkPos = url.indexOf('?');
    var action = url.substring(0, questionMarkPos);
    var params = url.substring(questionMarkPos + 1);
    var urlArray = params.split('&');

    for (var i = 0; i < urlArray.length; i++) {
        var _urlArray$i$split = urlArray[i].split('='),
            _urlArray$i$split2 = (0, _slicedToArray2.default)(_urlArray$i$split, 2),
            key = _urlArray$i$split2[0],
            value = _urlArray$i$split2[1];

        var o = document.createElement('INPUT');
        o.type = 'hidden';
        o.name = key;
        o.id = key;
        o.value = decodeURIComponent(value);
        submitDataForm.appendChild(o);
    } // c. 通过FORM的submit方法发起请求

    submitDataForm.action = action;
    submitDataForm.target = '_blank';
    submitDataForm.submit();
    submitDataForm.outerHTML = '';
}

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