update

.gitignore

@@ -138,3 +138,6 @@ crawler/common
 
 # for other
 */winn/*
+*/goland/bin/
+*/goland/pkg/
+*/goland/src/github.com/

goland/install_ic

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+# export GOPATH=`pwd`
+export GOPATH=/Users/wxnacy/PycharmProjects/study/goland
+SOURCE_DIR=image_conver
+# BIN=lu
+
+# CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go install $SOURCE_DIR
+# CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go install $SOURCE_DIR
+# CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go install $SOURCE_DIR
+go install $SOURCE_DIR
+
+# test -d bin || mkdir bin
+# test -d bin/linux_amd64 || mkdir bin/linux_amd64
+# test -d bin/windows_amd64 || mkdir bin/windows_amd64
+# test -d bin/darwin_amd64 || mkdir bin/darwin_amd64
+
+# cp ${GOPATH}/bin/linux_amd64/$BIN bin/linux_amd64
+# cp ${GOPATH}/bin/windows_amd64/$BIN.exe bin/windows_amd64
+# cp ${GOPATH}/bin/$BIN bin/darwin_amd64
+
+echo 'Install Finshed'

goland/src/image_conver/main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+    "fmt"
+)
+
+func main() {
+    fmt.Println("Hello World")
+}

java/SpringBoot-HelloWorld/tree.txt

@@ -0,0 +1,32 @@
+com.wxnacy.spring:SpringBoot-HelloWorld:jar:1.0-SNAPSHOT
+\- org.springframework.boot:spring-boot-starter-web:jar:1.5.9.RELEASE:compile
+   +- org.springframework.boot:spring-boot-starter:jar:1.5.9.RELEASE:compile
+   |  +- org.springframework.boot:spring-boot:jar:1.5.9.RELEASE:compile
+   |  +- org.springframework.boot:spring-boot-autoconfigure:jar:1.5.9.RELEASE:compile
+   |  +- org.springframework.boot:spring-boot-starter-logging:jar:1.5.9.RELEASE:compile
+   |  |  +- ch.qos.logback:logback-classic:jar:1.1.11:compile
+   |  |  |  +- ch.qos.logback:logback-core:jar:1.1.11:compile
+   |  |  |  \- org.slf4j:slf4j-api:jar:1.7.25:compile
+   |  |  +- org.slf4j:jcl-over-slf4j:jar:1.7.25:compile
+   |  |  +- org.slf4j:jul-to-slf4j:jar:1.7.25:compile
+   |  |  \- org.slf4j:log4j-over-slf4j:jar:1.7.25:compile
+   |  +- org.springframework:spring-core:jar:4.3.13.RELEASE:compile
+   |  \- org.yaml:snakeyaml:jar:1.17:runtime
+   +- org.springframework.boot:spring-boot-starter-tomcat:jar:1.5.9.RELEASE:compile
+   |  +- org.apache.tomcat.embed:tomcat-embed-core:jar:8.5.23:compile
+   |  |  \- org.apache.tomcat:tomcat-annotations-api:jar:8.5.23:compile
+   |  +- org.apache.tomcat.embed:tomcat-embed-el:jar:8.5.23:compile
+   |  \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:8.5.23:compile
+   +- org.hibernate:hibernate-validator:jar:5.3.6.Final:compile
+   |  +- javax.validation:validation-api:jar:1.1.0.Final:compile
+   |  +- org.jboss.logging:jboss-logging:jar:3.3.1.Final:compile
+   |  \- com.fasterxml:classmate:jar:1.3.4:compile
+   +- com.fasterxml.jackson.core:jackson-databind:jar:2.8.10:compile
+   |  +- com.fasterxml.jackson.core:jackson-annotations:jar:2.8.0:compile
+   |  \- com.fasterxml.jackson.core:jackson-core:jar:2.8.10:compile
+   +- org.springframework:spring-web:jar:4.3.13.RELEASE:compile
+   |  +- org.springframework:spring-aop:jar:4.3.13.RELEASE:compile
+   |  +- org.springframework:spring-beans:jar:4.3.13.RELEASE:compile
+   |  \- org.springframework:spring-context:jar:4.3.13.RELEASE:compile
+   \- org.springframework:spring-webmvc:jar:4.3.13.RELEASE:compile
+      \- org.springframework:spring-expression:jar:4.3.13.RELEASE:compile

java/modification/README.md

@@ -31,3 +31,5 @@ $ ./run.sh
 子类    √       ×       √               √
 外部类  √       ×       ×               ×
 ```
+
+更多文章：https://wxnacy.com/

java/simple/ArrayLoop.java

@@ -0,0 +1,24 @@
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+public class ArrayLoop {
+
+    public static void main(String[] args){
+
+        List<String> list = Arrays.asList("wxnacy", "wxn", "wen", "li");
+        for(String l : list){
+            System.out.println(l);
+        }
+
+        for(int i = 0; i < list.size(); i++){
+            System.out.println(list.get(i));
+        }
+
+        Iterator<String> iter = list.iterator();
+        while(iter.hasNext()) {
+            System.out.println(iter.next());
+        }
+
+    }
+}

java/simple/ClassList.java

@@ -0,0 +1,41 @@
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+/**
+ * Created by wxnacy
+ */
+public class ClassList {
+
+    public static void main(String args[]) {
+
+        ClassList cl = new ClassList();
+        String path = "/Users/wxnacy/.m2/repository/com/alibaba/fastjson/1.1.34/fastjson-1.1.34.jar";
+        List<String> classList = cl.getClassList(path);
+    }
+
+    public List<String> getClassList(String path) {
+        List<String> list = new ArrayList<String>();
+        try {
+            JarFile jarFile = new JarFile(path);
+            Enumeration enu = jarFile.entries();
+            while (enu.hasMoreElements()) {
+                JarEntry jarEntry = (JarEntry) enu.nextElement();
+                String name = jarEntry.getName();
+                if (name.endsWith(".class") && name.indexOf("$") == -1 ) {
+                    name = name.substring(0, name.indexOf(".class"));
+                    name = name.replaceAll("/", ".");
+                    System.out.println(name);
+                    list.add(name);
+                }
+
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return list;
+    }
+
+}

java/simple/HelloWorld.java

@@ -1,4 +1,3 @@
-package simple;
 public class HelloWorld{
     public static void main(String args[]){
         System.out.println("Hello World");

java/simple/HttpClients.java

@@ -0,0 +1,21 @@
+import java.net.http.*;
+
+public class HttpClient{
+    public static String URL = "http://ip-api.com/json";
+    public static void main(String args[]){
+        System.out.println("Hello World");
+        get();
+    }
+
+    public static void get() {
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+            .uri(URI.create(URL))
+            .build();
+        client.sendAsync(request, BodyHandlers.ofString())
+            .thenApply(HttpResponse::body)
+            .thenAccept(System.out::println)
+            .join();
+
+    }
+}

java/simple/Java8Lambda.java

@@ -1,4 +1,3 @@
-package simple;
 public class Java8Lambda {
     public static void main(String args[]){
         Java8Lambda jl = new Java8Lambda();

java/simple/JsonBean.java

@@ -0,0 +1,5 @@
+public class Json{
+    public static void main(String[] args){
+        System.out.println("Hello World");
+    }
+}

java/simple/PomParser.java

@@ -0,0 +1,179 @@
+import java.io.File;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+public class PomParser {
+
+    private String path;
+    private Document doc;
+    private String name;
+    private String packageing;
+    private String modelVersion;
+    private String groupId;
+    private String artifactId;
+    private String version;
+    private String url;
+    private Model parent;
+
+    private PomParser(String path) {
+        this.path = path;
+    }
+
+    public static PomParser parse(String path) {
+        PomParser pp = new PomParser(path);
+        pp.init();
+        return pp;
+    }
+
+    private void initDoc() {
+        try {
+
+            File stocks = new File(this.path);
+            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+            Document doc = dBuilder.parse(stocks);
+            doc.getDocumentElement().normalize();
+            this.doc = doc;
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    private String getValueByDoc(String tag) {
+        String val = null;
+        NodeList nodes = this.doc.getElementsByTagName(tag);
+        if( nodes.getLength() > 0 ){
+            NodeList cns = nodes.item(0).getChildNodes();
+            if( cns.getLength() > 0 ){
+                val = cns.item(0).getNodeValue();
+            }
+        }
+        return val;
+    }
+
+    private String getValueByEle(Element ele, String tag) {
+        String val = null;
+        NodeList nodes = ele.getElementsByTagName(tag);
+        if( nodes.getLength() > 0 ){
+            NodeList cns = nodes.item(0).getChildNodes();
+            if( cns.getLength() > 0 ){
+                val = cns.item(0).getNodeValue();
+            }
+        }
+        return val;
+    }
+
+    private String getValueByTag(String parentTag, String tag) {
+        String val = null;
+        NodeList parentNodes = this.doc.getElementsByTagName(parentTag);
+        if( parentNodes.getLength() > 0 ){
+            Element parentEle = (Element) parentNodes.item(0);
+            System.out.println(this.getValueByEle(parentEle, tag));
+        }
+        return val;
+    }
+
+    private void init() {
+        this.initDoc();
+
+        this.name = this.getValueByDoc("name");
+        this.packageing = this.getValueByDoc("packageing");
+        this.modelVersion = this.getValueByDoc("modelVersion");
+        this.groupId = this.getValueByDoc("groupId");
+        this.artifactId = this.getValueByDoc("artifactId");
+        this.version = this.getValueByDoc("version");
+        this.url = this.getValueByDoc("url");
+
+        NodeList parentNodes = this.doc.getElementsByTagName("parent");
+        if( parentNodes.getLength() > 0 ){
+            Element parentEle = (Element) parentNodes.item(0);
+            System.out.println(this.getValueByEle(parentEle, "groupId"));
+        }
+
+        String parentGroupId = this.getValueByTag("parent", "groupId");
+        String parentArtifactId = this.getValueByTag("parent", "artifactId");
+        String parentVersion = this.getValueByTag("parent", "version");
+        this.parent = new Model(parentGroupId, parentArtifactId, parentVersion);
+
+        try {
+
+            File stocks = new File(this.path);
+            DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+            Document doc = dBuilder.parse(stocks);
+            doc.getDocumentElement().normalize();
+
+            // verEle = doc.getElementsByTagName("modelVersion").item(0);
+                // System.out.println(" ver" + verEle.getNodeValue());
+            System.out.println(doc.getElementsByTagName("version").item(0).getChildNodes().item(0).getNodeValue());
+
+            System.out.println("root of xml file " + doc.getDocumentElement().getNodeName());
+            NodeList nodes = doc.getElementsByTagName("stock");
+            System.out.println("==========================");
+
+            for (int i = 0; i < nodes.getLength(); i++) {
+                Node node = nodes.item(i);
+
+                if (node.getNodeType() == Node.ELEMENT_NODE) {
+                    Element element = (Element) node;
+                    System.out.println("Stock Symbol: " + getValue("symbol", element));
+                    System.out.println("Stock Price: " + getValue("price", element));
+                    System.out.println("Stock Quantity: " + getValue("quantity", element));
+                }
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    public static void main(String args[]) {
+        PomParser pp = PomParser.parse("pom.xml");
+        // try {
+
+            // File stocks = new File("Stocks.xml");
+            // DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+            // DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+            // Document doc = dBuilder.parse(stocks);
+            // doc.getDocumentElement().normalize();
+            // // Document doc = parseXml("Stocks.xml");
+
+            // System.out.println("root of xml file " + doc.getDocumentElement().getNodeName());
+            // NodeList nodes = doc.getElementsByTagName("stock");
+            // System.out.println("==========================");
+
+            // for (int i = 0; i < nodes.getLength(); i++) {
+                // Node node = nodes.item(i);
+
+                // if (node.getNodeType() == Node.ELEMENT_NODE) {
+                    // Element element = (Element) node;
+                    // System.out.println("Stock Symbol: " + getValue("symbol", element));
+                    // System.out.println("Stock Price: " + getValue("price", element));
+                    // System.out.println("Stock Quantity: " + getValue("quantity", element));
+                // }
+            // }
+        // } catch (Exception ex) {
+            // ex.printStackTrace();
+        // }
+    }
+
+    private static String getValue(String tag, Element element) {
+        NodeList nodes = element.getElementsByTagName(tag).item(0).getChildNodes();
+        Node node = (Node) nodes.item(0);
+        return node.getNodeValue();
+    }
+}
+class Model{
+    private String groupId;
+    private String artifactId;
+    private String version;
+
+    public Model(String groupId, String artifactId, String version) {
+        this.groupId = groupId;
+        this.artifactId = artifactId;
+        this.version = version;
+    }
+}

java/simple/Stocks.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<stocks>
+       <stock>
+              <symbol>Citibank</symbol>
+              <price>100</price>
+              <quantity>1000</quantity>
+       </stock>
+       <stock>
+              <symbol>Axis bank</symbol>
+              <price>90</price>
+              <quantity>2000</quantity>
+       </stock>
+</stocks>
+
+

java/simple/Test.java

@@ -1,6 +1,12 @@
+import java.util.Arrays;
+
 public class Test1{
     public static void main(String args[]){
         System.out.println("Hello World");
+        var name = "wxnacy";
+        var array = Arrays.asList("wxnacy");
+        System.out.println(array);
+        System.out.println(name);
         Test2.main(new String());
     }
 }