create qr code with image

Generate a QR code image from a string. If you want to include a QR code, you can add a small log in the middle of the generated QR code. The specific implementation is as follows, inte

header. if the file does not exist, try to create if ($ newf) while (! Feof ($ file) {fwrite ($ newf, fread ($ file, 1024*2), 1024*2); // write the file, fread controls the maximum file size, here is 2 M }}if ($ file) {fclose ($ file); // close the file opened by fopen} if ($ newf) {fclose ($ newf );}} Step 2: create a new folder named qrcode in the root directory of the website to ensure that you have the

Using the PHP QR code class library to create a QR code Using an example browser output: File output two-dimensional codeInclude (' phpqrcode/phpqrcode.php ');Two-dimensional code data$data = ' http://s.bookphone.cn ';The gen

First you need to import the Qrcode.jar packageLook at this Http://pan.baidu.com/s/1o6qRFqM.Import Java.awt.Color;Import Java.awt.Graphics2D;Import Java.awt.Image;Import Java.awt.image.BufferedImage;Import Java.io.File;Import java.io.IOException;Import java.io.UnsupportedEncodingException;Import Javax.imageio.ImageIO;Import Com.swetake.util.Qrcode;public class Qrcodeutil {public static void Main (string[] args) {Generate two-dimensional codeString content = "http://user.qzone.qq.com/913240046";S

This article summarizes two methods for generating QR code images using php. one is to use Google api and the other is a practical phpqrcode class library, which is very convenient, if you have a need, refer to the first method below: 1. Method 1: Use the most widely used and convenient Google api technology; 2 , /* Note: first construct the content string to call the function to generate * // Construct t

It took a day to study and generate a color QR code program. The following are the results of the phase: gradient color, insert text, and log image. Make the QR code look more coordinated and eye-catching. Highlight text and logo, not just a black box of information. The

Php generates a QR code image summary, Method 1: 1. Method 1: use the most widely used and convenient Google api technology; 2 , 3 /* Note: first construct the content string to call the function to generate * // construct the content string $ content = "public platform: Thinking and logic rn public account: siweiyuluoji "; // call the function to generate a

#import "LCTwoCodeImage.h"@implementation lctwocodeimage+ (UIImage *) Gotocreatmytwocode:(nsstring *) string { // Create a QR code initial layer rendering by passing in the string ciimage * firstimage = [self creatciimagefromstring: string]; // ciimage to generate two-dimensional code UIImage * QRCode = [self

Now you want to simulate HTTP://CLI.IM/DEQR Upload two-dimensional code recognition image, F12 observation is to upload the picture post to Http://upload.api.cli.im/uplo ..., Then return a picture address and post the image address to http://cli.in/apis/up/deqrimg Then identify the QR code.I use PHP's curl post to upl

Continue on an article, develop the image QR code recognition function, our performance analysis of the function of memory consumption significantly improved, do not use the function memory consumption is about 147M, using this feature many times later, up to 203M.Therefore, the function of the study, found that each generation of images are not immediately relea

Android Zxing QR code scanning image stretching, In this project, the QR code scanning is integrated with zxing, and the image on the scanning interface is obviously stretched and deformed. Based on past experience, this problem i

First, the goalEnter the URL to generate the QR code of the URLIi. Overview1. Effect: The UI is ugly, but the function is implemented2. Project directoryIii. third-party resources used1.google Sweep Code Pack zxing2.JQueryIv. steps (with MyEclipse)1. Create a new project, select Web Project2. Join third-party resources