branch tutorial

.gitignore

@@ -3,3 +3,26 @@
 .idea/**/*
 interfacetest.iml
 /test-output/
+### Java template
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package file.Files #
+#*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*

failCount.properties

@@ -1,34 +1 @@
-#
-#Mon Apr 17 18:22:26 CST 2017
-uploadWithFileConvert=0
-registerVipJr=0
-loginVipjr=0
-getAfterQuestion=0
-reviewPage=1
-getClientReservedLessons=1
-getClientClasses=0
-lessonInfo=1
-setReservation=0
-newLogin=0
-getClientLessonHistory=0
-getList=0
-getJRHotNewsList=0
-lessonQuestions=1
-getLevelInfo=0
-setAfterQuestionEvaluation=0
-homeLogin=0
-getClientBasicInfoByEmail=0
-activateAccount=0
-preparePage=1
-reservationInformation=0
-getClientClassRecordTimeList=1
-beforeTest=2
-getJRNewsDetailByNewsID=0
-afterTest=0
-checkRegisterMail=0
-getDCGS=0
-lessonVocab=1
-classContract=0
-data=0
-viewMyVideo=0
-recommandList=0
+中文输入

pom.xml

@@ -186,7 +186,7 @@
         <dependency>
             <groupId>com.sun.mail</groupId>
             <artifactId>javax.mail</artifactId>
-            <version>1.4.4</version>
+            <version>1.4.7</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
         <dependency>

src/main/java/com/vipabc/interfacetest/utils/ConnectToDB.java

@@ -11,102 +11,105 @@
 
 public class ConnectToDB {
 
-	private Connection conn;
+    private Connection conn;
 
-	public ConnectToDB() {
-		String driver = "com.mysql.cj.jdbc.Driver";
+    public ConnectToDB() {
+        String driver = "com.mysql.cj.jdbc.Driver";
 
-		String url = "jdbc:mysql://172.16.233.82:3306/vfs";
+        String url = "jdbc:mysql://172.16.233.82:3306/vfs";
 
-		String user = "vfsdev";
+        String user = "vfsdev";
 
-		String password = "vfs123";
+        String password = "vfs123";
 
-		try {
-			Class.forName(driver);
-			conn = DriverManager.getConnection(url, user, password);
-			if (!conn.isClosed())
-				System.out.println("Succeeded connecting to the Database!");
-		} catch (ClassNotFoundException e) {
+        try {
+            Class.forName(driver);
+            conn = DriverManager.getConnection(url, user, password);
+            if (!conn.isClosed())
+                System.out.println("Succeeded connecting to the Database!");
+        } catch (ClassNotFoundException e) {
 
-			System.out.println("Sorry,can't find the Driver!");
-			e.printStackTrace();
+            System.out.println("Sorry,can't find the Driver!");
+            e.printStackTrace();
 
-		} catch (SQLException e) {
+        } catch (SQLException e) {
 
-			e.printStackTrace();
+            e.printStackTrace();
 
-		} catch (Exception e) {
+        } catch (Exception e) {
 
-			e.printStackTrace();
+            e.printStackTrace();
 
-		}
-	}
+        }
+    }
 
-	public List<HashMap<String, String>> query(String table, String key) throws SQLException {
-		Statement statement = conn.createStatement();
+    public List<HashMap<String, String>> query(String table, String key) throws SQLException {
+        Statement statement = conn.createStatement();
         ResultSet rs = statement.executeQuery("select * from " + table);
         List<HashMap<String, String>> result = new ArrayList<HashMap<String, String>>();
 
         ResultSetMetaData md = rs.getMetaData();
         int cc = md.getColumnCount();
-		while (rs.next()) {
+        while (rs.next()) {
             HashMap<String, String> columnMap = new HashMap<String, String>();
             for (int i = 1; i <= cc; i++) {
                 columnMap.put(md.getColumnName(i), rs.getString(i));
             }
             result.add(columnMap);
-		}
-		rs.close();
-		conn.close();
-		return result;
-	}
+        }
+        rs.close();
+        conn.close();
+        return result;
+    }
 
-	public  List<HashMap<String, String>> query(String sql) throws SQLException {
-		Statement statement = conn.createStatement();
-		ResultSet rs = statement.executeQuery(sql);
-		List<HashMap<String, String>> result = new ArrayList<HashMap<String, String>>();
+    public List<HashMap<String, String>> query(String sql) throws SQLException {
+        Statement statement = conn.createStatement();
+        ResultSet rs = statement.executeQuery(sql);
+        List<HashMap<String, String>> result = new ArrayList<HashMap<String, String>>();
 
         ResultSetMetaData md = rs.getMetaData();
         int cc = md.getColumnCount();
-		while (rs.next()) {
+        while (rs.next()) {
             HashMap<String, String> columnMap = new HashMap<String, String>();
             for (int i = 1; i <= cc; i++) {
                 columnMap.put(md.getColumnName(i), rs.getString(i));
             }
             result.add(columnMap);
-		}
-		rs.close();
+        }
+        rs.close();
 //        conn.close();
         return result;
-	}
-
-	public void insert(String sql) throws SQLException {
-		Statement statement = conn.createStatement();
-		statement.executeUpdate(sql);
-	}
-	public void update(String sql) throws SQLException {
-		Statement statement = conn.createStatement();
-		statement.executeUpdate(sql);
-	}
-	public void delete(String sql) throws SQLException {
-		Statement statement = conn.createStatement();
-		statement.executeUpdate(sql);
-	}
-	  public void closeDBcon(){
-	        try {
-	            conn.close();
-	        } catch (SQLException ex) {
-	             Logger.getLogger(Oracle.class.getName()).log(Level.SEVERE, null, ex);
-	        }
-	      }
-
-	public static void main(String args[]) throws SQLException {
-		ConnectToDB cdb = new ConnectToDB();
-		cdb.query("visit_identitify_code", "code_value");
-		cdb.query("visit_identitify_code", "status");
+    }
+
+    public void insert(String sql) throws SQLException {
+        Statement statement = conn.createStatement();
+        statement.executeUpdate(sql);
+    }
+
+    public void update(String sql) throws SQLException {
+        Statement statement = conn.createStatement();
+        statement.executeUpdate(sql);
+    }
+
+    public void delete(String sql) throws SQLException {
+        Statement statement = conn.createStatement();
+        statement.executeUpdate(sql);
+    }
+
+    public void closeDBcon() {
+        try {
+            conn.close();
+        } catch (SQLException ex) {
+            Logger.getLogger(Oracle.class.getName()).log(Level.SEVERE, null, ex);
+        }
+    }
+
+    public static void main(String args[]) throws SQLException {
+        ConnectToDB cdb = new ConnectToDB();
+        cdb.query("visit_identitify_code", "code_value");
+        cdb.query("visit_identitify_code", "status");
 //		cdb.insert("INSERT INTO visit_identitify_code"
 //				+ "   (`id`, `creater`, `create_time`, `modifier`, `modify_time`, `version`, `code_value`, `follow_id`, `status`, `client_linkman_id`)"
 //				+ "VALUES   (3, -1, '2014/5/29 17:00:00', NULL, NULL, 0, '4321', 1, 'visiting', 1);");
-	}
+    }
 }

src/tutorial/Abstracts.java

@@ -0,0 +1,96 @@
+/**
+ * Created by Oliver on 29/06/2017.
+ */
+public class Abstracts {
+    public static void main(String[] args) {
+        Salary s = new Salary("James Salary", "Shanghai", 7, 20000);
+        Employee e = new Salary("John Employee", "Tokyo", 9, 30000);
+
+        System.out.println("Call mailCheck using Salary reference --");
+        s.mailCheck();
+
+        System.out.println("\nCall mailCheck using Employee reference --");
+        e.mailCheck();
+    }
+
+}
+
+
+class Salary extends Employee {
+    private double salary;
+
+    public Salary(String name, String address, int number, double salary) {
+        super(name, address, number);
+        setSalary(salary);
+    }
+
+    public void setSalary(double salary) {
+        if (salary >= 0) {
+            this.salary = salary;
+        }
+    }
+
+    public double getSalary() {
+        return this.salary;
+    }
+
+    // 任何子类必须重写父类的抽象方法，或者声明自身为抽象类
+    public double computePay() {
+        System.out.println("Inside Salary computePay");
+        return this.salary;
+    }
+
+    public void mailCheck() {
+        System.out.println("Within mailCheck of Salary class ");
+        System.out.println("Mailing a check to " + getName()
+                + " " + getAddress());
+    }
+}
+
+/* 抽象类总结
+1. 抽象类不能被实例化，如果被实例化，就会报错，编译无法通过。只有抽象类的非抽象子类可以创建对象。
+2. 抽象类中不一定包含抽象方法，但是有抽象方法的类必定是抽象类。
+3. 抽象类中的抽象方法只是声明，不包含方法体，就是不给出方法的具体实现也就是方法的具体功能。
+4. 构造方法，类方法（用static修饰的方法）不能声明为抽象方法。
+5. 抽象类的子类必须给出抽象类中的抽象方法的具体实现，除非该子类也是抽象类。
+*/
+abstract class Employee {
+    private String name;
+    private String address;
+    private int number;
+
+    public Employee(String name, String address, int number) {
+        System.out.println("Constructing an Employee");
+        this.name = name;
+        this.address = address;
+        this.number = number;
+    }
+
+    // 抽象方法只能在抽象类
+    public abstract double computePay();
+
+    public void mailCheck() {
+        System.out.println("Mailing a check to " + this.name
+                + " " + this.address);
+    }
+
+    public String toString() {
+        return name + " " + address + " " + number;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String newAddress) {
+        address = newAddress;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+}

src/tutorial/Arrays.java

@@ -0,0 +1,53 @@
+/**
+ * Created by Oliver on 27/06/2017.
+ */
+public class Arrays {
+    public static void Array_for() {
+        double[] myList = {1.9, 2.9, 3.4, 3.5};
+        for (int i = 0; i < myList.length; i++) {
+            System.out.println(myList[i]);
+        }
+
+        double total = 0d;
+        for (int i = 0; i < myList.length; i++) {
+            total += myList[i];
+        }
+        System.out.println("Total: " + total);
+
+        double max = myList[0];
+        for (int i = 0; i < myList.length; i++) {
+            max = Math.max(myList[i], max);
+        }
+        System.out.println("Max: " + max);
+    }
+
+    public static void Array_foreach() {
+        double[] myList = {1.9, 2.9, 3.4, 3.5};
+        for (double item : myList) {
+            System.out.println(item);
+        }
+    }
+
+    public static int[] reverse(int[] array) {
+        int[] result = new int[array.length];
+        for (int i = 0, j = result.length - 1; i < array.length; i++, j--) {
+            result[i] = array[j];
+        }
+        return result;
+    }
+
+    public static void Array_reverse() {
+        int[] arr = {1, 2, 3, 4, 5};
+        int[] reversed = reverse(arr);
+        for (int i : reversed) {
+            System.out.println(i);
+        }
+    }
+
+    public static void main(String[] args) {
+        Array_for();
+        Array_foreach();
+        Array_reverse();
+    }
+
+}