DataUtils.java
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package com.huaheng.common.utils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
public class DataUtils {
static SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
/***
* 转化为Example方法名
* @param filedName 字段名
* @param methodSuffix 方法后缀
* @return
*/
public static String ConvertMethodName(String filedName, String methodSuffix) {
String returnValue = null;
if (filedName.length() > 0)
{
char[] nameChar = filedName.toCharArray();
if (nameChar[0] >= 'a' && nameChar[0] <= 'z') {
nameChar[0] = (char) (nameChar[0] - 32);
}
returnValue = "and" + String.valueOf(nameChar) + methodSuffix;
}
return returnValue;
}
/**
* 将对象转为字符串
* @param object
* @return
*/
public static String getString(Object object)
{
if (object == null) {
return null;
} else {
return object.toString();
}
}
/**
* 将对象转为Integer
* @param object
* @return
*/
public static Integer getInteger(Object object)
{
if (object == null) {
return null;
} else {
return Integer.valueOf(object.toString());
}
}
/**
* 将对象转为BigDecimal
* @param object
* @return
*/
public static BigDecimal getBigDecimal(Object object)
{
if (object == null) {
return null;
} else {
return new BigDecimal(object.toString());
}
}
/**
* 将对象转为Double
* @param object
* @return
*/
public static Double getDouble(Object object)
{
if (object == null) {
return null;
} else {
return new Double(object.toString());
}
}
/**
* 将long转为Integer
* @param object
* @return
*/
public static Integer getInteger(long object)
{
return Integer.valueOf(String.valueOf(object));
}
/**
* 将对象转为Date
* @param object
* @return
*/
public static Date getDateTime(Object object) throws ParseException
{
if (object == null)
{
return null;
}
else
{
return format.parse(object.toString());
}
}
/**
* 通过一个实体类，给另一个实体类赋值
* @param source 源实体类
* @param target 目标实体类
* @param ignoreProperties 忽略字段(多个字段用逗号隔开)
* @throws Exception
*/
public static void CopyDataByNotNull (Object source, Object target, String ignoreProperties) throws Exception {
Field[] sourceFields = source.getClass().getDeclaredFields();
Field[] targetFields = target.getClass().getDeclaredFields();
Field.setAccessible(targetFields, true);
for (int i = 0; i < sourceFields.length; i++) {
String sourceName = sourceFields[i].getName();
Object sourceValue = sourceFields[i].get(source);
if (sourceValue == null || ignoreProperties.indexOf(sourceName) > -1) {
continue;
}
for (Field targetField : targetFields) {
if (targetField.getName().equals(sourceName)) {
targetField.set(target, sourceValue);
break;
}
}
}
}
/**
* 格式化map
* @param map
* @return
*/
public static String sendGetFormat(Map<String, Object> map){
StringBuilder reslut = new StringBuilder();
for (Map.Entry<String, Object> a : map.entrySet()) {
reslut.append(a.getKey()).append("=").append(EncodingUtil.encodeURIComponent(String.valueOf(a.getValue()))+"&");
}
return String.valueOf(reslut);
}
/**
* 流水码
* 根据类型生成单号 规则：入库单类型 + 年月日 + 5位(排序号 + 1)
* @dataType code的前缀
* @maxCode code当前表的最后一个值
* @return
*/
public String createCode(String dataType,String maxCode) {
String code = null;
int i = 1;
Date now = new Date();
SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
if (maxCode != null && maxCode.substring(maxCode.length() - 13, maxCode.length() - 5).equals(df.format(now))) {
Integer Count = Integer.valueOf(maxCode.substring(maxCode.length() - 5, maxCode.length()));
code =dataType+ df.format(now) + String.format("%05d", Count + i++);
} else {
code =dataType + df.format(now) + String.format("%05d", 0000+i++);
}
return code;
}
}