ajax获取外部url数据
http://screener.finance.sina.com.cn/znxg/data/json.php/SSCore.doView?asc=0&field0=stocktype&field1=sinahy&field2=diyu&field3=sstclose&max3=300.1&min3=1.1&num=20&page=1&sort=&value0=*&value1=*&value2=*
新浪的网址,打开的结果是如下样子,
({items:[{symbol:"sz300501",name:"海顺新材",sstclose:82.26},{symbol:"sz300500",name:"苏州设计",sstclose:78.09},{symbol:"sz300499",name:"高澜股份",sstclose:70.17},{symbol:"sz300498",name:"温氏股份",sstclose:43.9},{symbol:"sz300497",name:"富祥股份",sstclose:84.27},{symbol:"sz300496",name:"中科创达",sstclose:182},{symbol:"sz300495",name:"美尚生态",sstclose:94.31},{symbol:"sz300494",name:"盛天网络",sstclose:68.22},{symbol:"sz300493",name:"润欣科技",sstclose:45.89},{symbol:"sz300492",name:"山鼎设计",sstclose:35.69},{symbol:"sz300491",name:"通合科技",sstclose:55.8},{symbol:"sz300490",name:"华自科技",sstclose:35.47},{symbol:"sz300489",name:"中飞股份",sstclose:65.57},{symbol:"sz300488",name:"恒锋工具",sstclose:65.7},{symbol:"sz300487",name:"蓝晓科技",sstclose:42.22},{symbol:"sz300486",name:"东杰智能",sstclose:34.64},{symbol:"sz300485",name:"赛升药业",sstclose:102.6},{symbol:"sz300483",name:"沃施股份",sstclose:42.92},{symbol:"sz300482",name:"万孚生物",sstclose:89.91},{symbol:"sz300481",name:"濮阳惠成",sstclose:42.98}],total:2539,page_total:127,page:1,num_per_page:20})
请问如何,获取里面total项的数据2539