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In easyUI, The treegrid component constructs a tree table (simple data type) + ssm background, easyuitreegrid

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In easyUI, The treegrid component constructs a tree table (simple data type) + ssm background, easyuitreegrid

The projects made in the past few days require that a part of the data be displayed in the form of a tree table, so I thought of the treegrid component using easyUI. However, after several queries, I found that most of the data types adopt the standard data type, that is, the data type containing the children element. After several experiments, the editor found a method to display a tree table using the simple data type. This article is for your reference only:

The framework uses the ssm framework and the database uses oracle. The tables to be displayed in the database are designed as follows:

Refer to the Data Type in easyUI demo, as shown in the following format:

This is a json string, which is used to display rows and total for paging. footer is not very familiar with it, here I think that the controller layer in the background should return such a json string to the foreground and let him assemble the data. But one thing to note is that there is a _ parentId in the above data structure. After several tests, its value is our pid value. Now the problem is coming, do you need to add a corresponding field, but the table structure cannot be dynamic. In this case, I performed the following operations in the corresponding entity class:

In addition, the structure of foreground recognition can be implemented using the map set in the background, so the background is soy sauce:

You can select total and footer in the demo data structure as needed.

In the easyUI API documentation, treegrid is written as follows:

The foreground is as follows:

<% @ Page language = "java" contentType = "text/html; charset = UTF-8"
PageEncoding = "UTF-8" %>
<! DOCTYPE html PUBLIC "-// W3C // dtd html 4.01 Transitional // EN" "http://www.w3.org/TR/html4/loose.dtd">
<Html>
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8">
<Title> dept_list.jsp </title>
<Link rel = "stylesheet" type = "text/css" href = "$ {pageContext. request. contextPath}/easyUI/jquery-easyui-1.4/themes/default/easyui.css">
<Link rel = "stylesheet" type = "text/css" href = "$ {pageContext. request. contextPath}/easyUI/jquery-easyui-1.4/themes/icon.css">
<Link rel = "stylesheet" type = "text/css" href = "$ {pageContext. request. contextPath}/ztree/css/zTreeStyle/zTreeStyle.css">
<Script type = "text/javascript" src = "$ {pageContext. request. contextPath}/js/jquery-1.8.2.min.js"> </script>
<Script type = "text/javascript" src = "$ {pageContext. request. contextPath}/easyUI/jquery-easyui-1.4/jquery. easyui. min. js"> </script>
<Script type = "text/javascript" src = "$ {pageContext. request. contextPath}/ztree/js/jquery. ztree. all-3.5.min.js"> </script>
<Script type = "text/javascript" src = "$ {pageContext. request. contextPath}/easyUI/jquery-easyui-1.4/locale/easyui-lang-zh_CN.js"> </script>
<Script type = "text/javascript">
$ (Function (){
// Treegrid
$ ('# Tt'). treegrid ({
Url: '$ {pageContext. request. contextPath}/user/getdeptMap. action', // access the background address
IdField: 'id ',
TreeField: 'name ',
Columns :[[
{Field: 'xxx', title: 'xxx', width: 100, checkbox: true },
{Field: 'id', title: 'id', width: 60, align: 'center '},
{Field: 'name', title: 'name', width: 60, align: 'center '},
{Field: 'pid ', title: 'pid', width: 60, align: 'center '},
{Field: 'XX', title: 'operation', width: 100,
Formatter: function (value, row, index ){
Return "<a href = 'javascript: void (0) 'onclick = 'Update (\" "+ index +" \ ") '> modify </a>" +
"-" +
"<A href = 'javascript: void (0) 'onclick = 'del (\" "+ row. id +" \ ") '> Delete </a> ";
}
}
]
});
})

</Script>
</Head>
<Body>
<Table id = "tt" data-options = "fit: true, toolbar: '# tb'"> </body>
</Html>

This is done, and the attachment is:

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Related Keywords:
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