thinkPHP5 uses laypage paging plug-in to implement list paging function_php example

This article mainly introduces thinkPHP5 to you in detail using the laypage paging plug-in to implement the list paging function. It has certain reference value. Friends who are interested in thinkPHP5 can refer to it. Let’s take a look at the layout page of thinkPHP5

1. Background

When using the thinkPHP framework to do projects, we often Encountered pagination of the contents of the list. The thinkPHP framework comes with a paging function, but it has flaws. This flaw is that every time the data of each page is returned to the page, the JS, CSS and other resources required by the page need to be reloaded. If the page contains too much JS and is too large, it will increase traffic pressure. Therefore, we use the laypage plugin. Just use ajax to request the data of each page every time, and there is no need to load the page repeatedly.

2. Paging process

As shown in the figure below:

Process description:

1) Investigate the function in App.php, which calls the fetch function. The fetch function renders list.html.
2) list.html calls the function to get the total number of pages and gets the total number of pages.
3) Get the first page of data.
4) Initialize the laypage paging plug-in.
5) Click on the page number to trigger paging query.

3. Code related to implementing paging function

1. Code of App.php Controller

//fetch渲染页面 
public function index() 
{ 
 return $this->fetch('list'); 
} 
 
 
 
 //根据页面传入的页码查询数据 
 public function getPage() 
 { 
   
   // 获取页面传入的页码       
   $nowpage = input("page"); 
   //每页显示10条数据 
   $limits = 10; 
 
   $app = new appInfo(); 
   $page_info = $app->limit(($nowpage * $limits), $limits)->select(); 
 
   // ajax 分页输出 
   $info = ['pageinfo'=>$page_info,'nowpage'=>$nowpage,'nowpage'=>$nowpage]; 
 
  return json($info); 
 
 
 } 
 
 
 //获取所有页数 
public function getAllPage(){ 
 
 try{ 
  $count = appInfo::count(); 
 
  $limits = 10; 
  // 计算总页面 
  $allpage = ceil($count / $limits); 
 
  $info =['allpage'=>$allpage]; 
 }catch (\Exception $e){ 
  abort(500,$e->getMessage(),['result'=>TopsecGWErrer::TOPSEC_GW_ERR_NO_UNKNOWN]); 
 } 
 
 return json($info); 
}

2. The html code in list.html

 
  
 
   
 
   
 
    
应用名称
 
    
应用类型
 
    
应用图像
 
    
创建日期
 
    
修改日期
 
    
操作
 
   
 
   
 
   
 
   
 
 
   
 
  
 
  
 
  
 
    
    丨添加应用 
    
  
 
  
 
 
  
 
 
    
    丨添加图片 
    
  
 
 
   
 

3. jQuery code in list.html

//pageCount：总页数。用于初始化laypage分页控件。 
//pageIndex：初始化当前页。显示第一页。 
//currentPage：当前页数。 
//getPageData:获取每页数据的函数。 
//url:获取每页数据的方法的路径。由控制器和函数名组成。 
 function jsonPage(pageCount, pageIndex,currentPage, getPageData,url) { 
  var laypageindex = laypage({ 
   cont: 'result', //容器。值支持id名、原生dom对象，jquery对象。 
   skin: '#3c8dbc', 
   pages: pageCount, //通过后台拿到的总页数 
   curr: pageIndex, //初始化当前页 
   prev: '上一页', //若不显示，设置false即可 
   next: '下一页', //若不显示，设置false即可 
   skip: true, //是否开启跳页 
   jump: function (obj, first) { //触发分页后的回调 
    //getPageData(1); 
    if (!first) { //点击跳页触发函数自身，并传递当前页：obj.curr 
     getPageData(url,obj.curr); 
     currentPage = obj.curr; 
    } 
   } 
  }); 
 } 
 
 
/url:获取总页数据的方法的路径。由控制器和函数名组成。  
 function getAllpage(url){ 
 
  var tmp ; 
  $.ajax({ 
   type: "GET", 
   dataType: "json", 
   async: false, 
   url: PUBLIC_BASE+url, 
   success: function(json) { 
    var data = eval(json); 
    tmp=data.allpage; 
   }, 
   error: function(json) { 
 
   } 
 
  }); 
  return tmp; 
 
 } 
 
 //data:每页的数据。由JSON对象组成。 
 function instantiation(data) { 
  //begin $.each 
  $.each(data.pageinfo, function (index, item) { 
   $("#table_body").append($('') 
    .append($("").html(item.name)) 
    .append($("").html(item.desc)) 
    .append($("").html("")) 
    .append($("").html(item.create_time)) 
    .append($("").html(item.update_time)) 
    .append( 
     $("") 
      .append($("查看丨 ")) 
      .append($("编辑丨 ")) 
      .append($("删除丨 ")) 
      .append($("禁用")) 
 
    ) 
 
   ); 
 
   $("#view"+item.id).click(function() { 
    fillMainContent("/application/application?model=view&id="+item.id); 
   }) 
 
   $("#edit"+item.id).click(function() { 
    fillMainContent("/application/application?model=edit&id="+item.id); 
   }) 
 
   $("#delete"+item.id).click(function() { 
 
    deleteApp(item.id); 
    alert("删除成功"); 
 
   }) 
 
   $("#forbid"+item.id).click(function() { 
    deleteApp(item.id); 
    alert("删除成功"); 
    getPageData(currentPage); 
   }) 
 
  }); 
  //end $.each 
   
 }  
 //获取每页的数据。curr:页码 ，curl:获取数据的路径。 
 function getPageData(url,curr) { 
  curr = curr-1; 
  $.ajax({ 
 
   type: "GET", 
   dataType: "json", 
   data: {page:curr}, 
   url: PUBLIC_BASE+url, 
   success: function(json) { 
    $('#table_body').empty(); 
    var data = eval(json); 
    console.log(data); 
 
    instantiation(data); 
   }, 
 
   error: function(json) { 
 
    var data = eval(json); 
    console.log(data); 
 
   } 
 
  }); 
 
 } 
 
 //调用函数实现分页 
//获取总页数，用于初始化分页控件总页数 
 pageCount= getAllpage("/application/getAllPage"); 
 //获取第一页数据 
 getPageData("/application/getpage",1); 
 //初始化分页控件并分页 
 jsonPage(pageCount,pageIndex,currentPage,getPageData,"/application/getpage");

4. Reference resources

http://laypage.layui.com/

The above is the entire content of this article, I hope it will be helpful to everyone's study.

Related recommendations:

Xiaobai’s brief introduction to using laypage paging

laypage+laytpl example

thinkphp5 paging style, tp5 paging style

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