Course Elementary  40199

Course Introduction：Functional realization of three-level linkage between provinces, cities and counties

Course Intermediate  11273

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17598

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Introduction：This time I will show you how Ajax realizes the second-level linkage of cities. What are the precautions for Ajax to realize second-level linkage of cities. The following is a practical case, let’s take a look.

2018-04-02 comment 0  1823

Course Introduction：sql national province and city linkage cascade

2016-11-10 comment 0  1308

Course Introduction：The drop-down selection function is very common to us. This article mainly introduces jquery's implementation of two-level linkage drop-down selection (province and city selection) based on layui. It has certain practical value. Friends who need it can refer to it. I hope it can help everyone.

2018-01-06 comment 0  15437

Course Introduction：This article mainly introduces the JS method to simply implement the city's secondary linkage selection plug-in, involving JavaScript implementation of select traversal and setting skills. It is very simple and practical. Friends who need it can refer to it.

2016-05-16 comment 0  1180

Course Introduction：What this article will share with you is to use the jQuery plug-in to read JSON data to achieve the second (third) level linkage effect of dynamic drop-down provinces and cities without refreshing. It is very simple and practical, and the effect is also very good. Friends in need can refer to it.

2016-05-16 comment 0  1006