跨域获取json数据

时间 2019-11-11

原文原文链接

这是天气json的数据，这里是连接，json的数据接口 http://m.weather.com.cn/data/101010100.htmljavascript

json的数据格式html

{"weatherinfo":{"city":"北京","city_en":"beijing","date_y":"2014年3月4 日","date":"","week":"星期二","fchh":"11","cityid":"101010100","temp1":"8℃~- 3℃","temp2":"8℃~-3℃","temp3":"7℃~-3℃","temp4":"8℃~- 1℃","temp5":"10℃~1℃","temp6":"10℃~2℃","tempF1":"46.4℉~26.6℉","tempF2":"46.4℉~26.6℉","tempF3":"44.6℉~26.6℉","tempF4":"46.4℉~30.2℉","tempF5":"50℉~33.8℉","tempF6":"50℉~35.6℉","weather1":" 晴","weather2":"晴","weather3":"晴","weather4":"晴转多云","weather5":"多云","weather6":"多云","img1":"0","img2":"99","img3":"0","img4":"99","img5":"0","img6":"99","img7":"0","img8":"1","img9":"1","img10":"99","img11":"1","img12":"99","img_single":"0","img_title1":" 晴","img_title2":"晴","img_title3":"晴","img_title4":"晴","img_title5":" 晴","img_title6":"晴","img_title7":"晴","img_title8":"多云","img_title9":"多云","img_title10":"多云","img_title11":"多云","img_title12":"多云","img_title_single":"晴","wind1":"北风4-5级转微风","wind2":"微风","wind3":"微风","wind4":"微风","wind5":"微风","wind6":"微风","fx1":"北风","fx2":"微风","fl1":"4-5级转小于3级","fl2":"小于3级","fl3":"小于3级","fl4":"小于3级","fl5":"小于3 级","fl6":"小于3级","index":"寒冷","index_d":"天气寒冷，建议着厚羽绒服、毛皮大衣加厚毛衣等隆冬服装。年老体弱者尤为要注意保暖防冻。","index48":"冷","index48_d":"天气冷，建议着棉服、羽绒服、皮夹克加羊毛衫等冬季服装。年老体弱者宜着厚棉衣、冬大衣或厚羽绒服。","index_uv":"中等","index48_uv":"中等","index_xc":"较适宜","index_tr":"通常","index_co":"较温馨","st1":"7","st2":"- 3","st3":"8","st4":"0","st5":"7","st6":"-1","index_cl":"较不宜","index_ls":"基本适宜","index_ag":"易发"}}

这里是什么不用说了吧java

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Json跨域解决办法</title> <script src='http://code.jquery.com/jquery-1.8.0.js' type='text/javascript'></script> <script type="text/javascript" src="https://github.com/douglascrockford/JSON-js/blob/master/json2.js"></script> </head> <body> <div id="content"> </div> <script> $(function () { $.getJSON("http://query.yahooapis.com/v1/public/yql", { q: "select * from json where url=\"http://m.weather.com.cn/data/101010100.html\"", format: "json" }, function (data) { if (data.query.results) { $("#content").text(JSON.stringify(data.query.results)); var J_data = JSON.parse(JSON.stringify(data.query.results)); alert(J_data.weatherinfo.city); } else { $("#content").text('no such code: ' + code); } }); }); </script> </body> </html>