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feat:添加小程序码生成工具
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‎littleTools/x-LiteappCode/.gitignore‎

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# Default ignored files
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#/.gitignore
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/x-LiteappCode.iml
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/log/
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/target/

‎littleTools/x-LiteappCode/README.md‎

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小程序码生成工具

‎littleTools/x-LiteappCode/README_EN.md‎

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LiteappCode

‎littleTools/x-LiteappCode/build.gradle‎

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dependencies {
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api project(':xcore')
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}
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group = 'com.xwintop'
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version = '0.0.1'
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description = 'x-LiteappCode'

‎littleTools/x-LiteappCode/src/main/java/com/xwintop/xJavaFxTool/LiteappCodeMain.java‎

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package com.xwintop.xJavaFxTool;
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import com.xwintop.xcore.util.javafx.JavaFxSystemUtil;
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import javafx.application.Application;
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import javafx.event.EventHandler;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Parent;
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import javafx.scene.Scene;
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import javafx.stage.Stage;
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import javafx.stage.WindowEvent;
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import lombok.extern.slf4j.Slf4j;
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import java.net.URL;
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import java.util.ResourceBundle;
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@Slf4j
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public class LiteappCodeMain extends Application {
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public static void main(String[] args) {
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try {
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launch(args);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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@Override
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public void start(Stage primaryStage) throws Exception {
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FXMLLoader fXMLLoader = LiteappCodeMain.getFXMLLoader();
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ResourceBundle resourceBundle = fXMLLoader.getResources();
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Parent root = fXMLLoader.load();
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primaryStage.setResizable(true);
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primaryStage.setTitle(resourceBundle.getString("Title"));
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// primaryStage.getIcons().add(new Image("/images/icon.jpg"));
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double[] screenSize = JavaFxSystemUtil.getScreenSizeByScale(0.74D, 0.8D);
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primaryStage.setScene(new Scene(root, screenSize[0], screenSize[1]));
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primaryStage.show();
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primaryStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
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@Override
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public void handle(WindowEvent event) {
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System.exit(0);
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}
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});
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}
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public static FXMLLoader getFXMLLoader() {
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ResourceBundle resourceBundle = ResourceBundle.getBundle("locale.LiteappCode");
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URL url = Object.class.getResource("/com/xwintop/xJavaFxTool/fxmlView/littleTools/LiteappCode.fxml");
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FXMLLoader fXMLLoader = new FXMLLoader(url, resourceBundle);
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return fXMLLoader;
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}
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}

‎littleTools/x-LiteappCode/src/main/java/com/xwintop/xJavaFxTool/controller/liteappcode/LiteappCodeController.java‎

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package com.xwintop.xJavaFxTool.controller.liteappcode;
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import java.awt.image.BufferedImage;
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import java.io.BufferedReader;
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import java.io.ByteArrayOutputStream;
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import java.io.DataOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.URL;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.ResourceBundle;
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import javax.imageio.ImageIO;
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import com.alibaba.fastjson2.JSON;
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import com.alibaba.fastjson2.JSONObject;
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import com.xwintop.xJavaFxTool.service.liteappcode.LiteappCodeService;
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import com.xwintop.xJavaFxTool.view.liteappcode.LiteappCodeView;
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import com.xwintop.xcore.util.javafx.AlertUtil;
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import com.xwintop.xcore.util.javafx.TooltipUtil;
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import cn.hutool.core.io.FileUtil;
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import cn.hutool.core.util.NumberUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.http.HttpUtil;
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import javafx.embed.swing.SwingFXUtils;
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import javafx.fxml.FXML;
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import javafx.scene.image.Image;
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import javafx.scene.paint.Color;
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import javafx.stage.FileChooser;
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import javafx.stage.Stage;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.extern.slf4j.Slf4j;
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@Getter
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@Setter
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@Slf4j
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public class LiteappCodeController extends LiteappCodeView {
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private LiteappCodeService liteappCodeService = new LiteappCodeService(this);
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@Override
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public void initialize(URL location, ResourceBundle resources) {
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initView();
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initEvent();
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initService();
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}
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private void initView() {
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}
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private void initEvent() {
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}
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private void initService() {
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}
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Map<String,String> accessTokens = new HashMap<>();
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public InputStream getImageStream(String url) {
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try {
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HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
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connection.setReadTimeout(5000);
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connection.setConnectTimeout(5000);
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connection.setRequestMethod("GET");
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if (connection.getResponseCode() == HttpURLConnection.HTTP_OK) {
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InputStream inputStream = connection.getInputStream();
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return inputStream;
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}
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} catch (IOException e) {
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System.out.println("获取网络图片出现异常，图片路径为：" + url);
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e.printStackTrace();
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}
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return null;
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}
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@FXML
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public void download() {
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FileChooser fileChooser = new FileChooser();
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// FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("TXT files (*.txt)", "*.txt");
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// fileChooser.getExtensionFilters().add(extFilter);
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Stage s = new Stage();
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File file = fileChooser.showSaveDialog(s);
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if (file == null)
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return;
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if(file.exists()){//文件已存在，则删除覆盖文件
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file.delete();
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}
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String exportFilePath = file.getAbsolutePath();
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System.out.println("导出文件的路径" + exportFilePath);
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BufferedImage bImage = SwingFXUtils.fromFXImage(imgQrCode.getImage(), null);
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try {
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File outputFile = new File(exportFilePath);
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ImageIO.write(bImage, "png", outputFile);
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} catch (IOException e) {
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TooltipUtil.showToast("到处失败:"+e.getMessage());
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}
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//FileWriteUtil.WriteDocument(exportFilePath, sBuilder.toString());
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//AlertUtil.showConfirmAlert("导出成功!保存路径:\n"+exportFilePath);
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TooltipUtil.showToast("导出成功!保存路径:\n"+exportFilePath);
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}
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static InputStream in = null;
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@FXML
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public void genCode() {
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String appid = txtAppid.getText();
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String page = txtPath.getText();
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String secret = txtAppSecret.getText();
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String scence = txtScene.getText();
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if(StrUtil.isEmpty(appid) ||StrUtil.isEmpty(secret) ||StrUtil.isEmpty(page) ||StrUtil.isEmpty(scence)) {
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AlertUtil.showConfirmAlert("路径、appid、秘钥,scene都是必填参数");
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return;
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}
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Map<String, Object> requestParam = new HashMap<String,Object>();
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requestParam.put("grant_type", "client_credential");
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requestParam.put("appid", appid);
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requestParam.put("secret", secret);
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String cacheKey = appid+"_"+secret;
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String accessToken = "";
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if(accessTokens.containsKey(cacheKey) && StrUtil.isNotBlank( accessTokens.get(cacheKey))) {
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accessToken = accessTokens.get(cacheKey);
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System.out.println("从缓存中获取"+cacheKey+" accessToken:"+accessToken);
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}else {
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String resp = HttpUtil.get("https://api.weixin.qq.com/cgi-bin/token", requestParam);
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JSONObject jsonObject = JSON.parseObject(resp);
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if(!jsonObject.containsKey("access_token")) {
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AlertUtil.showConfirmAlert("获取access_token失败");
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return;
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}
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accessToken = jsonObject.getString("access_token");
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accessTokens.put(cacheKey,accessToken);
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}
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// sendPost 为一个请求各种接口而封装的函数，并转换JSON字符串为JSONObject
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String url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token="+accessToken;
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Map<String, Object> param = new HashMap<>();
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param.put("page", page); //跳转到查询物流(自定义)
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param.put("auto_color", true);
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param.put("is_hyaline", chkIsHyaline.isSelected());
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String widthStr = txtWidth.getText();
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if(NumberUtil.isInteger(widthStr)) {
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param.put("width", Integer.parseInt(widthStr));
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}else {
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param.put("width", 430);
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}
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if(!StrUtil.isEmpty(scence)) {
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param.put("scene",scence);
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}
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Map<String, Object> line_color = new HashMap<>();
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Color c = pickColor.getValue();
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line_color.put("r", c.getRed());
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line_color.put("g", c.getGreen());
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line_color.put("b", c.getBlue());
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System.out.println("调用生成微信URL接口传参:url"+url+" \r\n param:" + param);
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String codeRes = "";
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try {
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InputStream in = null;
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//{"errcode":41030,"errmsg":"invalid page hint: [AHNvcA08331090]"}
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Object res = send(url, JSONObject.toJSONString(param));
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if(res instanceof String) {
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JSONObject jo = JSONObject.parseObject(res.toString());
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if(jo.containsKey("errcode") && StrUtil.isNotBlank(jo.getString("errcode"))) {
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int errorCode = jo.getIntValue("errcode");
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switch(errorCode) {
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case 41030:
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AlertUtil.showConfirmAlert("所传page页面不存在，或者小程序没有发布");
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break;
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case 45009:
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AlertUtil.showConfirmAlert("调用分钟频率受限(目前5000次/分钟，会调整)，如需大量小程序码，建议预生成。");
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break;
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default :
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AlertUtil.showConfirmAlert(jo.getString("errmsg"));
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}
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}
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}else{
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in = null;
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in = (InputStream)res;
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Image img = new Image(in);
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imgQrCode.setImage(img);
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}
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} catch (Exception e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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AlertUtil.showConfirmAlert(e.getMessage());
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}
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System.out.println(codeRes);
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//AlertUtil.showConfirmAlert(access_token);
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}
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private Object send(String urlPath,String param) throws Exception {
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URL url=new URL(urlPath);
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HttpURLConnection httpConn=(HttpURLConnection)url.openConnection();
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//设置参数
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httpConn.setDoOutput(true); //需要输出
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httpConn.setDoInput(true); //需要输入
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httpConn.setUseCaches(false); //不允许缓存
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httpConn.setRequestMethod("POST"); //设置POST方式连接
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//设置请求属性
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httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
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httpConn.setRequestProperty("Connection", "Keep-Alive");// 维持长连接
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httpConn.setRequestProperty("Charset", "UTF-8");
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//连接,也可以不用明文connect，使用下面的httpConn.getOutputStream()会自动connect
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httpConn.connect();
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//建立输入流，向指向的URL传入参数
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DataOutputStream dos=new DataOutputStream(httpConn.getOutputStream());
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dos.writeBytes(param);
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dos.flush();
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dos.close();
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//获得响应状态
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int resultCode=httpConn.getResponseCode();
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if(HttpURLConnection.HTTP_OK==resultCode){
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InputStream in1 = httpConn.getInputStream();
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long size = httpConn.getContentLengthLong();
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if(size<500) {
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BufferedReader in = new BufferedReader(new InputStreamReader(in1, "utf-8"));
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String temp = null;
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StringBuffer sb = new StringBuffer();
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while ((temp = in.readLine()) != null) {
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sb.append(temp);
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}
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in.close();
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return sb.toString();
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}else {
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return in1;
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}
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} else {
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return null;
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}
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}
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public static byte[] toByteArray(InputStream input) throws IOException {
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ByteArrayOutputStream output = new ByteArrayOutputStream();
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byte[] buffer = new byte[1024*4];
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int n = 0;
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while (-1 != (n = input.read(buffer))) {
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output.write(buffer, 0, n);
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}
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return output.toByteArray();
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}
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}

‎littleTools/x-LiteappCode/src/main/java/com/xwintop/xJavaFxTool/service/liteappcode/LiteappCodeService.java‎

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package com.xwintop.xJavaFxTool.service.liteappcode;
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import com.xwintop.xJavaFxTool.controller.liteappcode.LiteappCodeController;
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import lombok.Getter;
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import lombok.Setter;
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import lombok.extern.slf4j.Slf4j;
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@Getter
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@Setter
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@Slf4j
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public class LiteappCodeService{
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private LiteappCodeController liteappCodeController;
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public LiteappCodeService(LiteappCodeController liteappCodeController) {
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this.liteappCodeController = liteappCodeController;
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}
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}

‎littleTools/x-LiteappCode/src/main/java/com/xwintop/xJavaFxTool/view/liteappcode/LiteappCodeView.java‎

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package com.xwintop.xJavaFxTool.view.liteappcode;
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import javafx.fxml.FXML;
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import javafx.fxml.Initializable;
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import javafx.scene.control.Button;
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import javafx.scene.control.CheckBox;
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import javafx.scene.control.ColorPicker;
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import javafx.scene.control.TextField;
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import javafx.scene.image.ImageView;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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public abstract class LiteappCodeView implements Initializable {
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@FXML
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protected TextField txtPath;
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@FXML
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protected TextField txtWidth;
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@FXML
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protected TextField txtAppid;
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@FXML
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protected TextField txtAppSecret;
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@FXML
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protected Button btnGen;
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@FXML
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protected ImageView imgQrCode;
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@FXML
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protected CheckBox chkIsHyaline;
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@FXML
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protected ColorPicker pickColor;
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@FXML
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protected TextField txtScene;
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}

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