JDBCTools

package com..utils;

import org.apache.commons.lang.ArrayUtils;

import org.apache.commons.lang.StringUtils;

import org.springframework.jdbc.core.JdbcTemplate;

import java.math.BigDecimal;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.*;

import java.util.Map.Entry;

public class JDBCTools {

public static String mapToInertSQL(Map map, String insertTableName, String[] aesdecode,

String... exclude) {

String insertSql ="insert into `" +escapeSql(insertTableName) +"` (%s) values (%s);";

StringBuffer columsString =new StringBuffer();

StringBuffer valuesString =new StringBuffer();

Set> entry = map.entrySet();

for (Entry en : entry) {

if (exclude !=null && ArrayUtils.contains(exclude, en.getKey())) {

continue;

}

if (en.getValue() !=null) {

columsString.append('`').append(escapeSql(en.getKey())).append('`').append(',');

if (en.getValue()instanceof Integer) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v).append(',');

}else if (en.getValue()instanceof Long) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v).append(',');

}else if (en.getValue()instanceof BigDecimal) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v).append(',');

}else if (en.getValue()instanceof Boolean) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v).append(',');

}else if (en.getValue()instanceof Date) {

SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String v = sdf.format((Date) en.getValue());

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append('\'').append(escapeSql(v)).append('\'').append(',');

}else {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append('\'').append(escapeSql(v)).append('\'').append(',');

}

}

}

return String.format(insertSql, columsString.substring(0, columsString.length() -1),

valuesString.substring(0, valuesString.length() -1));

}

public static String mapToUpdateSQL(Map map, String updateTableName, String whereColums,

String... exclude) {

String updateSql ="update " +escapeSql(updateTableName) +" set %s where %s;";

StringBuffer columsString =new StringBuffer();

StringBuffer valueString =new StringBuffer();

StringBuffer whereString =new StringBuffer();

Set> entry = map.entrySet();

for (Entry en : entry) {

if (exclude !=null && ArrayUtils.contains(exclude, en.getKey())) {

continue;

}

columsString.append('`').append(escapeSql(en.getKey())).append('`');

valueString =new StringBuffer();

if (en.getValue() ==null) {

valueString.append("null");

}else if (en.getValue()instanceof Integer) {

valueString.append(escapeSql(en.getValue().toString()));

}else if (en.getValue()instanceof Long) {

valueString.append(escapeSql(en.getValue().toString()));

}else if (en.getValue()instanceof BigDecimal) {

valueString.append(escapeSql(en.getValue().toString()));

}else if (en.getValue()instanceof Boolean) {

valueString.append(escapeSql(en.getValue().toString()));

}else {

valueString.append('\'').append(escapeSql(en.getValue().toString())).append('\'');

}

if (whereColums !=null && whereColums.equals(en.getKey())) {

whereString.append(escapeSql(en.getKey())).append('=').append(valueString);

}

columsString.append('=').append(valueString).append(',');

}

return String.format(updateSql, columsString.substring(0, columsString.length() -1), whereString);

}

public static String listToBatchInertSQL(List> list, String insertTableName, String[] aesdecode,

String... exclude) {

String insertSql ="insert into " +escapeSql(insertTableName) +" (%s) values %s;";

StringBuffer columsString =new StringBuffer();

StringBuffer valuesString =new StringBuffer();

String lastKey =null;

Set keysSet =new TreeSet();

if (list.size() >0) {

Map map = list.get(0);

Set> entry = map.entrySet();

for (Entry en : entry) {

System.out.println(en.getKey());

if (exclude !=null && ArrayUtils.contains(exclude, en.getKey())) {

continue;

}

columsString.append('`').append(escapeSql(en.getKey())).append('`').append(',');

lastKey = en.getKey();

System.out.println("lastKey:"+lastKey);

keysSet.add(lastKey);

}

}

for (Map map : list) {

Set> entry = map.entrySet();

valuesString.append('(');

for (Entry en : entry) {

if (exclude !=null && ArrayUtils.contains(exclude, en.getKey())) {

continue;

}

if (en.getValue() !=null) {

if (en.getValue()instanceof Integer) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v);

}else if (en.getValue()instanceof Long) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v);

}else if (en.getValue()instanceof Date) {

SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

String v = sdf.format((Date) en.getValue());

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append('\'').append(escapeSql(v)).append('\'');

}else if (en.getValue()instanceof BigDecimal) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v);

}else if (en.getValue()instanceof Boolean) {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append(v);

}else {

String v = en.getValue().toString();

if (aesdecode !=null && ArrayUtils.contains(aesdecode, en.getKey())) {

v = v;

}

valuesString.append('\'').append(escapeSql(v)).append('\'');

}

}else {

if (keysSet.contains(en.getKey())) {

valuesString.append("null");

}

}

if (!en.getKey().equals(lastKey)) {

valuesString.append(',');

}

}

valuesString.append(')').append(',');

}

return insertSql.format(insertSql, columsString.substring(0, columsString.length() -1),

valuesString.substring(0, valuesString.length() -1));

}

/**

    * 获取表中最大id

    * @param selectTableName

    * @return

    */

  public static String getMaxId(String selectTableName){

return "select max(id) from " +escapeSql(selectTableName);

}

public static String escapeSql(String str) {

if (str ==null) {

return null;

}

String a = StringUtils.replace(str,"'","''");

return StringUtils.replace(a,"\\","\\\\");

}

public static List batchInsert(JdbcTemplate jdbcTemplate, List sqlList) {

if (sqlList ==null || sqlList.isEmpty()) {

return null;

}

List rList =new ArrayList<>();

String[] sqlstrings = sqlList.toArray(new String[sqlList.size()]);

for (int i =0; i < sqlstrings.length; i = i +5000) {

String[] sqltemp =null;

if (sqlstrings.length - i >=5000) {

sqltemp =new String[5000];

System.arraycopy(sqlstrings, i, sqltemp,0,5000);

}else {

sqltemp =new String[sqlstrings.length - i];

System.arraycopy(sqlstrings, i, sqltemp,0, sqlstrings.length - i);

}

int[] r = jdbcTemplate.batchUpdate(sqltemp);

Integer[] rI = ArrayUtils.toObject(r);

rList.addAll(Arrays.asList(rI));

}

return rList;

}

public static List batchUpdate(JdbcTemplate jdbcTemplate, List sqlList) {

if (sqlList ==null || sqlList.isEmpty()) {

return null;

}

List rList =new ArrayList<>();

String[] sqlstrings = sqlList.toArray(new String[sqlList.size()]);

for (int i =0; i < sqlstrings.length; i = i +5000) {

String[] sqltemp =null;

if (sqlstrings.length - i >=5000) {

sqltemp =new String[5000];

System.arraycopy(sqlstrings, i, sqltemp,0,5000);

}else {

sqltemp =new String[sqlstrings.length - i];

System.arraycopy(sqlstrings, i, sqltemp,0, sqlstrings.length - i);

}

int[] r = jdbcTemplate.batchUpdate(sqltemp);

Integer[] rI = ArrayUtils.toObject(r);

rList.addAll(Arrays.asList(rI));

}

return rList;

}

public static String camel2Underline(String line) {

if ("name".equals(line)) {

line ="user_name";

}

StringBuilder sb =new StringBuilder();

for (int i =0; i < line.length(); ++i) {

char c = line.charAt(i);

if (Character.isUpperCase(c)) {

sb.append('_').append(Character.toLowerCase(c));

}else {

sb.append(c);

}

}

return sb.toString();

}

public static String underline2Camel(String line,boolean... firstIsUpperCase) {

String str ="";

if (StringUtils.isBlank(line)) {

return str;

}else {

StringBuilder sb =new StringBuilder();

String[] strArr;

// 不包含下划线,且第二个参数是空的

        if (!line.contains("_") && firstIsUpperCase.length ==0) {

sb.append(line.substring(0,1).toLowerCase()).append(line.substring(1));

str = sb.toString();

}else if (!line.contains("_") && firstIsUpperCase.length !=0) {

if (!firstIsUpperCase[0]) {

sb.append(line.substring(0,1).toLowerCase()).append(line.substring(1));

str = sb.toString();

}else {

sb.append(line.substring(0,1).toUpperCase()).append(line.substring(1));

str = sb.toString();

}

}else if (line.contains("_") && firstIsUpperCase.length ==0) {

strArr = line.split("_");

for (String s : strArr) {

sb.append(s.substring(0,1).toUpperCase()).append(s.substring(1));

}

str = sb.toString();

str = str.substring(0,1).toLowerCase() + str.substring(1);

}else if (line.contains("_") && firstIsUpperCase.length !=0) {

strArr = line.split("_");

for (String s : strArr) {

sb.append(s.substring(0,1).toUpperCase()).append(s.substring(1));

}

if (!firstIsUpperCase[0]) {

str = sb.toString();

str = str.substring(0,1).toLowerCase() + str.substring(1);

}else {

str = sb.toString();

}

}

}

return str;

}

}

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