abstract：后台保存方法代码 public function save(){ $names = trim(input('post.names')); $data['values'] = json_encode(input(&
后台保存方法代码
public function save(){
$names = trim(input('post.names'));
$data['values'] = json_encode(input('post.values'));
$item = $this->db->table('setting')->where(array('names'=>$names))->item();
if($item){
$this->db->table('setting')->where(array('names'=>$names))->update($data);
}else{
$data['names'] = $names;
$this->db->table('setting')->insert($data);
}
exit(json_encode(array('code'=>0,'msg'=>'保存成功')));
}前台html代码
<!DOCTYPE html>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="/static/layui/css/layui.css">
<script type="text/javascript" src="/static/layui/layui.js"></script>
</head>
<body style="padding: 10px;">
<form class="layui-form">
<div class="layui-form-item">
<label class="layui-form-label">网站名称</label>
<div class="layui-input-inline">
<input type="text" class="layui-input" name="title" value="{$item.values.title}">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">关键词</label>
<div class="layui-input-block">
<input type="text" class="layui-input" name="key" value="{$item.values.key}">
</div>
</div>
<div class="layui-form-item">
<label class="layui-form-label">网站描述</label>
<div class="layui-input-block">
<input type="text" class="layui-input" name="desc" value="{$item.values.desc}">
</div>
</div>
</form>
<div class="layui-form-item">
<div class="layui-input-block">
<button class="layui-btn" onclick="save()">提交</button>
</div>
</div>
</body>
</html>
<script type="text/javascript">
layui.use(['layer'],function(){
$ = layui.jquery;
layer = layui.layer;
});
function save(){
var title = $.trim($('input[name="title"]').val());
if(title==''){
layer.msg('网站名称不能为空',{'icon':2});
return;
}
var values = new Object;
values.title = title;
values.key = $('input[name="key"]').val();
values.desc = $('input[name="desc"]').val();
var data = new Object();
data.names = 'site_setting';
data.values = values;
$.post('/index.php/admins/setting/save',data,function(res){
if(res.code>0){
layer.msg(res.msg,{'icon':2});
}else{
layer.msg(res.msg,{'icon':1});
setTimeout(function(){window.location.reload();},1000);
}
},'json');
}
</script>
Correcting teacher：天蓬老师Correction time：2019-05-17 17:46:23
Teacher's summary：$this->db->table('setting')->where(array('names'=>$names))->update($data);
这样的链式操作,最后一行一个, 即明了, 又便于添加注释