行使Jquery中getJSON和getScript要领实现跨域
发布时间：2018-08-25 00:35:45 所属栏目：业界 来源：站长网
导读：一、什么是跨域？ 由于javascript同源计策的限定，a.com 域名下的js剧本无法操纵b.com或是c.a.com域名下的工具。 1.什么引起了ajax不能跨域哀求的题目？ ajax自己现实上是通过XMLHttpRequest工具来举办数据的交互，而赏识器出于安详思量，不应承js代码举办
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看下返回的数据。行使getjson要领的时辰应留意，发送的data数据量不能太多，不然造成url太长吸取失败。。 Copy to Clipboard 引用的内容：[www.veryhuo.com]
jsonp1322444422697({"itemcats_get_response":{"item_cats":{"item_cat":[{"cid":50017905,"is_parent":false,"name":"游戏掌机/PSP/NDSL","parent_cid":20,"sort_order":2,"status":"normal"},{"cid":50017906,"is_parent":false,"name":"家用游戏机/PS3/Wii/XBOX","parent_cid":20,"sort_order":3,"status":"normal"},{"cid":50012068,"is_parent":false,"name":"游戏手柄","parent_cid":20,"sort_order":4,"status":"normal"},{"cid":50012834,"is_parent":true,"name":"游戏软件","parent_cid":20,"sort_order":5,"status":"normal"},{"cid":50012079,"is_parent":false,"name":"偏向盘","parent_cid":20,"sort_order":12,"status":"normal"},{"cid":50012080,"is_parent":false,"name":"摇杆","parent_cid":20,"sort_order":13,"status":"normal"},{"cid":50012160,"is_parent":true,"name":"PSP专用配件","parent_cid":20,"sort_order":14,"status":"normal"},{"cid":50012161,"is_parent":true,"name":"WII专用配件/周边","parent_cid":20,"sort_order":15,"status":"normal"},{"cid":50012162,"is_parent":true,"name":"PS2/PS3专用配件（包括PS1)","parent_cid":20,"sort_order":16,"status":"normal"},{"cid":50012163,"is_parent":true,"name":"NDSI/NDSL专用配件","parent_cid":20,"sort_order":17,"status":"normal"},{"cid":50018082,"is_parent":true,"name":"XBOX专用配件","parent_cid":20,"sort_order":21,"status":"normal"},{"cid":50018224,"is_parent":true,"name":"世嘉 DC/MD/SS/SEGA 专用配件","parent_cid":20,"sort_order":22,"status":"normal"},{"cid":50018225,"is_parent":true,"name":"任天国NGC/FC/N64/SFC 专用配件","parent_cid":20,"sort_order":24,"status":"normal"},{"cid":50018230,"is_parent":true,"name":"任天国掌机配件","parent_cid":20,"sort_order":25,"status":"normal"}]}}})
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