Application and operation of SSH integration based on Java EE Example II (CRUD operation and configuration)

CRUD is the acronym for adding (Create), Querying (Retrieve) (re-obtaining data), updating (update), and deleting (delete) of several words while doing calculation processing. It is mainly used to describe the basic operation function of database or persistence layer in software system.

In computing, the CRUD is a acronym for Create, retrieve, update, and delete. It is used to refer to the basic functions of a database or persistence layer in a software system.

C reate New records

R Etrieve Existing Records

U pdate Existing Records

D elete existing records.

In response to the new Department request, the deployment of the orchestration is completed by importing the Struts profile (struts-config.xml). It connects Depadd.jsp and Depadd.do. A client request is generated on the depadd.jsp, and Depadd.do responds to the request and processes the data on the JSP page. When you click on the Save button on the depadd.jsp

(　　<div　style="float:　right;　padding:　10px　25px　0　0;">
　　　　　　 <div　class="right_button">
　　　　　　 <a　href="#"　onclick="check();return　false;"><bean:message
　　　　　　　　　　　　　　　　 key="go.add"　/>　</a>
　　　　　　 </div>
</div>）

Check the correctness of the page data first, the input data will be deposited into userinfoform this formbean with the set method after checking pass.

function Check ()
{
var userName = document.userinfoForm.userName.value;
var password = document.userinfoForm.password.value;
var length = document.userinfoForm.password.value.length;
var repassword = Document.userinfoForm.repassword.value;
var tel = document.userinfoForm.tel.value;
var department = Document.userinfoForm.department.value;
if (username== "")
{
Alert (' departmental administrator name cannot be empty! ')
return false;
}

if (password== "")
{
Alert (' Password cannot be empty! ')
return false;
}
if (length<6| | LENGTH>10)
{
Alert (' Password must be greater than 6 characters or less than 10 characters! ')
return false;
}
if (repassword== "")
{
Alert (' Duplicate password cannot be empty! ')
return false;
}
if (Password!=repassword)
{
Alert (' Password input is inconsistent! 　　　　　　　')
　 return false;
}
if (tel!= "")
{
No = "0123456789 () +-"
for (i=0; i<tel.length　; 　　　　　　　　　　　　　　　　　　　　 i++)
{
var checkstr = Tel.charat (i);
if (No.indexof (checkstr) = = 1)
{
Alert ("Incorrect contact phone format!");
return false; 　　　　　　　　
}
}
}
if (department== "")
{
Alert (' Department admin department cannot be empty! ')
return false; 　　　　　　
}

Else
{
Document.userinfoForm.submit ();
}

}