JavaScript Web服务NS\u错误\u DOM\u错误\u URI_Javascript_Jquery_Web Services_Cors

JavaScript Web服务NS\u错误\u DOM\u错误\u URI

javascript jquery web-services cors

JavaScript Web服务NS\u错误\u DOM\u错误\u URI,javascript,jquery,web-services,cors,Javascript,Jquery,Web Services,Cors,我有一些非常简单的javascript代码，带有两个按钮。第一个提交一个调用web服务函数的表单，并在新窗口中打开它 <head> <title>Test Web Service Using JavaScript</title> </head> <body> <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post"

我有一些非常简单的javascript代码，带有两个按钮。第一个提交一个调用web服务函数的表单，并在新窗口中打开它

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

第二个按钮应该做同样的事情，只是我想把来自web服务的响应文本放到页面上的一个div中

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

web服务来自我找到的一个示例（您可以在底部的zip文件中下载该项目）

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

WebService.asmx标记中有一个输入错误，其中Class属性应该是“Encosia.Samples.asmx_CORS.WebService”

web服务已允许所有来源

因此跨站点脚本编写应该不会有问题

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

JavaScript代码（注意：本地主机名是在我运行web服务项目时由Visual Studio生成的）

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

雪上加霜的是，上面的JavaScript代码在IE8中运行良好，但在我的目标浏览器Firefox17中却不行

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

有人能告诉我如何让Firefox在我的web服务中发挥作用吗？有人建议我在我的web服务中可能需要一个CORS库，但这似乎是一个问题，这个常见的库必须内置一个已定义的解决方案。

我通过使用WebAPI CORS功能解决了我的问题，如下示例：

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>

此外，我还需要覆盖firefox发送的源文件，因为在本地加载文件时它是空的。我使用HttpFox来做这件事。

这应该是一个

POST

还是

GET

？什么是mime类型的响应？理想情况下是POST，但到目前为止，我还没能让其中任何一个起作用。数据类型应该是application/x-www-form-urlencoded，我认为这是默认值，对吗？编辑：响应应返回一个字符串，如

Hello World

<head>
   <title>Test Web Service Using JavaScript</title>
</head>

<body>
    <form action='http://localhost:53276/WebService.asmx/HelloWorld' method="post" target="_blank">
        <input type="submit" value="This Works" class="button">
        <label> This opens a new window with the result of the web service call</label>
    </form>

    <input type='submit' id='btnTest' name='btnTest' value="This Doesn't" onclick="WebRequestTest();" >
    <label> This should fill the div with the result of the web service call</label>
     <div id="MyDiv"></div>


</body></html>

<script language="javascript">

    function WebRequestTest() {
        function handler() {
            //fires when ready state changes
            if (this.readyState == 4 ){ //&& request.responseText != '') {
                var response = request.responseText;
                document.getElementById('MyDiv').innerHTML = response;
                return;
            } 
        }

        var request = new XMLHttpRequest();
        request.onreadystatechange = handler;
        request.withCredentials = true;
        request.open('POST', 'http://localhost:53276/WebService.asmx/HelloWorld', true); //third optional argument: async (default true)
        request.send();
    }

</script>