Tag：Verification
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Does Ajax user name authentication exist
The client collects form information.Use the XMLHttpRequest object to submit to the server.The server completes the verification logic and returns the result information.The browser makes certain prompts to the user according to the information returned by the server.However, because my space does not support any server segment language, I moved the logic that should have […]
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How to pass W3C verification?
In addition to formulating various labeling regulations, the W3C also provides verification functions to allow web page producers to check whether they really comply with W3C regulations.prefaceIn addition to formulating various labeling regulations, W3C also provides verification function to let Web page producers check whether they really comply with W3C regulationsHow to achieve W3C xhtml1 […]
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Shell regular expression validation IP address
Multiple local IP addresses Copy codeThe code is as follows: ifconfig | awk ‘/inet/{print $2}’ | awk -F: ‘{print $2}’ First, use this first Copy codeThe code is as follows: CheckIPAddress() { echo $1 > /tmp/tmpserverip echo $1 |grep “^[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}$” > /dev/null if [ $? = 1 ]; then return 1 […]
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. net background page uniformly verifies whether to log in
This example shares the specific code of unified verification of whether to log in on the. Net background page for your reference. The specific contents are as follows First, write a new pagebase class using System; using System.Collections.Generic; using System.Web; namespace DepartmentMIS.Web.myclass { public class PageBase : System.Web.UI.Page { public PageBase() { this.Load += new […]
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Details of using forms validation in. Net MVC
. net MVC uses forms verification for your reference. The details are as follows This is how the folder is divided First set in web.config Authentication and authorization nodes <system.web> <authentication mode=”Forms”> <forms loginUrl=”~/Login/Index” timeout=”2880″ defaultUrl=”~/Home/Index”/> </authentication> <anonymousIdentification enabled=”true”/> <authorization> <deny users=”?”/> <!– Deny anonymous access — > </authorization> <compilation debug=”true” targetFramework=”4.5″ /> <httpRuntime targetFramework=”4.5″ […]
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JSP radio button verification, drop-down box verification, check box verification implementation code
//Verify gender (radio button verification)function checkXb(){ var temp = false; var xbObj1= document.getElementById(“xb1”); var xbObj2= document.getElementById(“xb2”); if(xbObj1.checked || xbObj2.checked){ temp = true; } return temp; } function checkform() { //Verify gender (radio button verification)if(!checkXb()){ Alert (“please select gender”);return false; } //Verifier category (drop-down box)if(document.getElementById(“lb”).selectedIndex == 0){ Alert (“please select a personnel category”);return false; } } […]
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Java regular expression validation function
Copy codeThe code is as follows: /** *Validate regular expressions* *@ author Zhujie regex string to which the regular expression value belongs* @return boolean */ public static boolean regex(String regex, String value) { Pattern p = Pattern.compile(regex); Matcher m = p.matcher(value); return m.find(); }
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JAVA 18 Bit ID number verification algorithm
public static char doVerify(String id) { char pszSrc[]=id.toCharArray(); int iS = 0; int iW[]={7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}; char szVerCode[] = new char[]{‘1′,’0’, ‘X’, ‘9’, ‘8’, ‘7’, ‘6’, ‘5’, ‘4’, ‘3’, ‘2’}; int i; for(i=0;i<17;i++) { iS += (int)(pszSrc[i]-‘0’) * iW[i]; } int […]
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Shiro multi verification login code example and problem solving
This article mainly introduces Shiro multi verification login code examples and problem solving. The example code is introduced in great detail, which has a certain reference value for everyone’s study or work. Friends in need can refer to it 1. First create a shiroconfig Shiro configuration class with the following code: @Configuration identifies that this […]
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Ajax implementation of asynchronous transmission and verification example code
Ajax asynchronous transmission is widely used. Take web development as an example. When a user registers, when the user has just finished typing, how to immediately determine whether the user exists and display a prompt in the input box? This uses asynchronous transmission~~ It allows you to get the data you want in the background […]
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HTML5 client to verify the size of the upload file (simple example)
In HTML 5, it is now possible to verify the file upload on the client. For example, after the user selects the file, the size and attributes of the file can be verified immediately. This article introduces how to verify the size of the uploaded file by HTML5 client. Interested code farmers can refer to […]