Ajax realizes infinite loading of lists and secondary drop-down option effects-JS Tutorial-php.cn

This article mainly introduces Ajax to achieve infinite loading of lists and the effect of secondary drop-down options in detail. It has certain reference value. Interested friends can refer to

Ajax to achieve unlimited loading of lists. Make secondary drop-down options with Ajax for your reference. The specific content is as follows

//栏目Ajax做加载 public function ajaxlist(){ //echo "http://www.域名.com/index.php?a=Index&c=Index&m=ajaxlist"; //echo "
"; $data = Q('sum'); $where = array(); $where['cid'] = 33; $rongyuList = M('content')->limit($data,2)->where($where)->select(); $data['stat'] = 1; $data = $rongyuList; $this->ajax($data); //也可以手动把想要的字段拼接成字符串 /*echo "["; foreach($rongyuList as $k){ echo "{"."\""."title"."\"".":"."\"".$k['title']."\"".","."\""."description"."\"".":"."\"".$k['description']."\"".","."\""."cid"."\"".":"."\"".$k['cid']."\""."}".","; } echo "]";*/ }

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Specific page implementation:

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Ajax makes secondary options:

  科室：

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Example controller:

//示例控制器 /* Ajax请求栏目列表 */ public function ajaxlanmu(){ $lanmuList = M('category')->where('pid=142')->select(); $this->ajax($lanmuList); } public function ajaxzhuanjia(){ $where = array(); $data = Q('sum'); $data = $data ? $data : 143; $where['cid'] = $data; $zhuanjiaList = M('guahao')->where($where)->select(); $this->ajax($zhuanjiaList); }

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Example: JS

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The above is what I compiled for everyone. I hope it will be helpful to everyone in the future.

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