无JIRA任务 修复一些demo编译问题,已经程序数据集逻辑不严谨问题(getColumnName可能报错NPE)

src/main/java/com/fr/data/ParamTableDataDemo.java

@@ -50,11 +50,13 @@ public class ParamTableDataDemo extends AbstractTableData {
      */
     @Override
     public int getColumnCount() {
+        init();
         return columnNum;
     }
 
     @Override
     public String getColumnName(int columnIndex) {
+        init();
         return columnNames[columnIndex];
     }
 

src/main/java/com/fr/output/OutputExcel.java

@@ -9,9 +9,9 @@ import com.fr.stable.ArrayUtils;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.util.Map;
 

src/main/java/com/fr/privilege/RSAUtil.java

@@ -1,5 +1,8 @@
 package com.fr.privilege;
 
+import com.fr.third.org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+import javax.crypto.Cipher;
 import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
@@ -19,8 +22,6 @@ import java.security.spec.InvalidKeySpecException;
 import java.security.spec.RSAPrivateKeySpec;
 import java.security.spec.RSAPublicKeySpec;
 
-import javax.crypto.Cipher;
-
 /**
  * RSA 工具类。提供加密，解密，生成密钥对等方法。
  * 需要到http://www.bouncycastle.org下载bcprov-jdk14-123.jar。
@@ -36,7 +37,7 @@ public class RSAUtil {
     public static KeyPair generateKeyPair() throws Exception {
         try {
             KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA",
-                    new org.bouncycastle.jce.provider.BouncyCastleProvider());
+                    new BouncyCastleProvider());
             final int KEY_SIZE = 1024;// 没什么好说的了，这个值关系到块加密的大小，可以更改，但是不要太大，否则效率会低
             keyPairGen.initialize(KEY_SIZE, new SecureRandom());
             KeyPair keyPair = keyPairGen.generateKeyPair();
@@ -79,7 +80,7 @@ public class RSAUtil {
         KeyFactory keyFac = null;
         try {
             keyFac = KeyFactory.getInstance("RSA",
-                    new org.bouncycastle.jce.provider.BouncyCastleProvider());
+                    new BouncyCastleProvider());
         } catch (NoSuchAlgorithmException ex) {
             throw new Exception(ex.getMessage());
         }
@@ -106,7 +107,7 @@ public class RSAUtil {
         KeyFactory keyFac = null;
         try {
             keyFac = KeyFactory.getInstance("RSA",
-                    new org.bouncycastle.jce.provider.BouncyCastleProvider());
+                    new BouncyCastleProvider());
         } catch (NoSuchAlgorithmException ex) {
             throw new Exception(ex.getMessage());
         }
@@ -133,7 +134,7 @@ public class RSAUtil {
     public static byte[] encrypt(PublicKey pk, byte[] data) throws Exception {
         try {
             Cipher cipher = Cipher.getInstance("RSA",
-                    new org.bouncycastle.jce.provider.BouncyCastleProvider());
+                    new BouncyCastleProvider());
             cipher.init(Cipher.ENCRYPT_MODE, pk);
             int blockSize = cipher.getBlockSize();// 获得加密块大小，如：加密前数据为128个byte，而key_size=1024
             // 加密块大小为127
@@ -177,7 +178,7 @@ public class RSAUtil {
     public static byte[] decrypt(PrivateKey pk, byte[] raw) throws Exception {
         try {
             Cipher cipher = Cipher.getInstance("RSA",
-                    new org.bouncycastle.jce.provider.BouncyCastleProvider());
+                    new BouncyCastleProvider());
             cipher.init(cipher.DECRYPT_MODE, pk);
             int blockSize = cipher.getBlockSize();
             ByteArrayOutputStream bout = new ByteArrayOutputStream(64);