工具类-EXCEL-各类型转换（obj-String互转）

谁借莪１个温暖的怀抱￠ 2021-06-24 16:00 301阅读 0赞

package com.dianping.emidas.manage.biz.external.mp.util;
    
    
    import com.xuxueli.poi.excel.annotation.ExcelField;
    
    import java.lang.reflect.Field;
    import java.text.ParseException;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    
    
    public final class FieldReflectionUtil {
    
    	private FieldReflectionUtil(){}
    
    	public static Byte parseByte(String value) {
    		try {
    			value = value.replaceAll("　", "");
    			return Byte.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseByte but input illegal input=" + value, e);
    		}
    	}
    
    	public static Boolean parseBoolean(String value) {
    		value = value.replaceAll("　", "");
    		if (Boolean.TRUE.toString().equalsIgnoreCase(value)) {
    			return Boolean.TRUE;
    		} else if (Boolean.FALSE.toString().equalsIgnoreCase(value)) {
    			return Boolean.FALSE;
    		} else {
    			throw new RuntimeException("parseBoolean but input illegal input=" + value);
    		}
    	}
    
    	public static Integer parseInt(String value) {
    		try {	
    			value = value.replaceAll("　", "");
    			return Integer.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseInt but input illegal input=" + value, e);
    		}
    	}
    
    	public static Short parseShort(String value) {
    		try {
    			value = value.replaceAll("　", "");
    			return Short.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseShort but input illegal input=" + value, e);
    		}
    	}
    
    	public static Long parseLong(String value) {
    		try {
    			value = value.replaceAll("　", "");
    			return Long.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseLong but input illegal input=" + value, e);
    		}
    	}
    
    	public static Float parseFloat(String value) {
    		try {
    			value = value.replaceAll("　", "");
    			return Float.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseFloat but input illegal input=" + value, e);
    		}
    	}
    
    	public static Double parseDouble(String value) {
    		try {
    			value = value.replaceAll("　", "");
    			return Double.valueOf(value);
    		} catch(NumberFormatException e) {
    			throw new RuntimeException("parseDouble but input illegal input=" + value, e);
    		}
    	}
    
    	public static Date parseDate(String value, ExcelField excelField) {
    		try {
    			String datePattern = "yyyy-MM-dd HH:mm:ss";
    			if (excelField != null) {
    				datePattern = excelField.dateformat();
    			}
    			SimpleDateFormat dateFormat = new SimpleDateFormat(datePattern);
    			return dateFormat.parse(value);
    		} catch(ParseException e) {
    			throw new RuntimeException("parseDate but input illegal input=" + value, e);
    		}
    	}
    
    	/**
    	 * 参数解析 （支持：Byte、Boolean、String、Short、Integer、Long、Float、Double、Date）
    	 *
    	 * @param field
    	 * @param value
    	 * @return
    	 */
    	public static Object parseValue(Field field, String value) {
    		Class<?> fieldType = field.getType();
    
    		ExcelField excelField = field.getAnnotation(ExcelField.class);
    		if(value==null || value.trim().length()==0)
    			return null;
    		value = value.trim();
    
    		/*if (Byte.class.equals(fieldType) || Byte.TYPE.equals(fieldType)) {
    			return parseByte(value);
    		} else */if (Boolean.class.equals(fieldType) || Boolean.TYPE.equals(fieldType)) {
    			return parseBoolean(value);
    		}/* else if (Character.class.equals(fieldType) || Character.TYPE.equals(fieldType)) {
    			 return value.toCharArray()[0];
    		}*/ else if (String.class.equals(fieldType)) {
    			return value;
    		} else if (Short.class.equals(fieldType) || Short.TYPE.equals(fieldType)) {
    			 return parseShort(value);
    		} else if (Integer.class.equals(fieldType) || Integer.TYPE.equals(fieldType)) {
    			return parseInt(value);
    		} else if (Long.class.equals(fieldType) || Long.TYPE.equals(fieldType)) {
    			return parseLong(value);
    		} else if (Float.class.equals(fieldType) || Float.TYPE.equals(fieldType)) {
    			return parseFloat(value);
    		} else if (Double.class.equals(fieldType) || Double.TYPE.equals(fieldType)) {
    			return parseDouble(value);
    		} else if (Date.class.equals(fieldType)) {
    			 return parseDate(value, excelField);
    
    		} else {
    			throw new RuntimeException("request illeagal type, type must be Integer not int Long not long etc, type=" + fieldType);
    		}
    	}
    
    	/**
    	 * 参数格式化为String
    	 *
    	 * @param field
    	 * @param value
    	 * @return
    	 */
    	public static String formatValue(Field field, Object value) {
    		Class<?> fieldType = field.getType();
    
    		ExcelField excelField = field.getAnnotation(ExcelField.class);
    		if(value==null) {
    			return null;
    		}
    
    		if (Boolean.class.equals(fieldType) || Boolean.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (String.class.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Short.class.equals(fieldType) || Short.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Integer.class.equals(fieldType) || Integer.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Long.class.equals(fieldType) || Long.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Float.class.equals(fieldType) || Float.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Double.class.equals(fieldType) || Double.TYPE.equals(fieldType)) {
    			return String.valueOf(value);
    		} else if (Date.class.equals(fieldType)) {
    			String datePattern = "yyyy-MM-dd HH:mm:ss";
    			if (excelField != null && excelField.dateformat()!=null) {
    				datePattern = excelField.dateformat();
    			}
    			SimpleDateFormat dateFormat = new SimpleDateFormat(datePattern);
    			return dateFormat.format(value);
    		} else {
    			throw new RuntimeException("request illeagal type, type must be Integer not int Long not long etc, type=" + fieldType);
    		}
    	}
    
    }

工具类-EXCEL-各类型转换（obj-String互转）

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