Javascript Jsonp不使用getJSON jquery

这是我的json调用，我的json正确地包装在？（{object}）中 但是警报没有弹出，它没有显示任何javascript错误 请帮助解决任何可能的问题 如果需要，url将开放供访问

的输出为：

这不是有效的JavaScript。函数调用不能以：

？（）

开头。相反，我会要求您创建一个使用它的函数，比如：

?([{"id":84,"title":"Solar Decathlon","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/grp4_s2.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450076653,"summary":""},{"id":80,"title":"HUDCO UNIT 2012-13","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1450076349,"summary":"HUDCO UNIT 2012-13 got the first citation in 55th annual NASA convention 2012-13 for their design of 24*7 day and night permanent shelter for urban homeless.The entire work is taken by HUDCO,New delhi to work more on it.Also the entire work has been asked to sent by Dr.amod kumar from st.stefens hospital,tiss hazati, Delhi. and […]"},{"id":77,"title":"Egyptian Artwork","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/XU0zTIXjslCgCGAULTlAVz3AEbLzNFdsB1OVFJH7zWYw222-h220.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450075669,"summary":"Made By the students of all the batch 3102 etc,this is some artwork info.Made By the students of all the batch 3102 etc,this is some artwork infoMade By the students of all the batch 3102 etc,this is some artwork infoMade By the students of all the batch 3102 etc,this is some artwork infoMade By the […]"},{"id":67,"title":"Collezione – 2015","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/event2015.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450074883,"summary":"Collezione – 2015 the Annual Fashion Show of the School Of Fashion & Textile Design, The new age designers put a jaw dropping collections, for various category of Indian Ethnic, Resort, Cruize, Swimwear, Westernwear formal & men\u2019s wear."},{"id":63,"title":"International Tour: \u201cWorld is a book, those who do no travel read only one page\u201d \u2013 St. Agustine","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/irfw_23.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450071633,"summary":"True to ever word, students along with our experienced faculty get to have a great exposure to world of Fashion Art & Design. We host premium events with visits to Premier Vision, Art galleries, Meeting Designers and much more for an unmatched international exposure and witness latest in fashion, upcoming trend & So forth. Come […]"},{"id":53,"title":"yoloswag asdfasdfa","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449835439,"summary":"asdfasdf"},{"id":50,"title":"asdf","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449834299,"summary":"asdfasdfasdasdfasdfasdfsdfasd"},{"id":48,"title":"asdfasdf","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449834004,"summary":"asdfasdfasdfasdf"},{"id":45,"title":"asdfasdfasdfasdfad","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449833570,"summary":"adsfasdfasdfasdfasdfasdfasdf"},{"id":43,"title":"Story of my life","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449830857,"summary":""}]);

现在，只需向以下人员发出请求：

http://quanta.net16.net/wordpressnew/test.php?jsoncallback=callJson

这就产生了输出，

callJson（{json data}）

工作片段

$（函数（）{
函数callJson（数据）{
警报（数据长度）；
console.log（data.length）；
}
$.getJSON（“https://jsonp.afeld.me/?url=http://quanta.net16.net/wordpressnew/test.php?jsoncallback=callJson，函数（数据）{
调试器；
}).失败（功能（数据）{
//控制台日志（数据）；
res=data.responseText.trim（）.replace（“callJson（“，”）；
res=res.substr（0，res.length-2）；
res=JSON.parse（res）；
控制台日志（res）；
});
})；

---

我没有正确设置Cross-Origin Resorce Shareing标头

您在这里没有提供太多信息供人们使用。您能提供一个返回JSON的示例吗？可能只是对同一URL执行一个curl请求？当内容s在

http://quanta.net16.net/wordpressnew/test.php?jsoncallback=?

执行后，它将不是一个完美的JavaScript.add标题（“访问控制允许源代码：”）；在您的php文件的topI上获取此错误控制台无法加载chrome XMLHttpRequest。请求的资源上不存在“Access Control Allow Origin”头。因此不允许访问源“”。响应的HTTP状态代码为404。

?([{"id":84,"title":"Solar Decathlon","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/grp4_s2.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450076653,"summary":""},{"id":80,"title":"HUDCO UNIT 2012-13","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1450076349,"summary":"HUDCO UNIT 2012-13 got the first citation in 55th annual NASA convention 2012-13 for their design of 24*7 day and night permanent shelter for urban homeless.The entire work is taken by HUDCO,New delhi to work more on it.Also the entire work has been asked to sent by Dr.amod kumar from st.stefens hospital,tiss hazati, Delhi. and […]"},{"id":77,"title":"Egyptian Artwork","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/XU0zTIXjslCgCGAULTlAVz3AEbLzNFdsB1OVFJH7zWYw222-h220.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450075669,"summary":"Made By the students of all the batch 3102 etc,this is some artwork info.Made By the students of all the batch 3102 etc,this is some artwork infoMade By the students of all the batch 3102 etc,this is some artwork infoMade By the students of all the batch 3102 etc,this is some artwork infoMade By the […]"},{"id":67,"title":"Collezione – 2015","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/event2015.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450074883,"summary":"Collezione – 2015 the Annual Fashion Show of the School Of Fashion & Textile Design, The new age designers put a jaw dropping collections, for various category of Indian Ethnic, Resort, Cruize, Swimwear, Westernwear formal & men\u2019s wear."},{"id":63,"title":"International Tour: \u201cWorld is a book, those who do no travel read only one page\u201d \u2013 St. Agustine","url":"http:\/\/quanta.net16.net\/wordpressnew\/wp-content\/uploads\/2015\/12\/irfw_23.jpg","isFeatured":false,"isNews":false,"college":false,"time":1450071633,"summary":"True to ever word, students along with our experienced faculty get to have a great exposure to world of Fashion Art & Design. We host premium events with visits to Premier Vision, Art galleries, Meeting Designers and much more for an unmatched international exposure and witness latest in fashion, upcoming trend & So forth. Come […]"},{"id":53,"title":"yoloswag asdfasdfa","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449835439,"summary":"asdfasdf"},{"id":50,"title":"asdf","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449834299,"summary":"asdfasdfasdasdfasdfasdfsdfasd"},{"id":48,"title":"asdfasdf","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449834004,"summary":"asdfasdfasdfasdf"},{"id":45,"title":"asdfasdfasdfasdfad","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449833570,"summary":"adsfasdfasdfasdfasdfasdfasdf"},{"id":43,"title":"Story of my life","url":false,"isFeatured":false,"isNews":false,"college":false,"time":1449830857,"summary":""}]);

function callJson (data) {
  alert(data.length);
  console.log(data.length);
}