springMVC类型转换，提交日期字符数据自动转换日期格式

第一步：编写自己的类型转换器，将string转换Date

/**

* @Title: DateConverter.java

* @Package com.xtt.txgl.common.controller

* Copyright: Copyright (c) 2015

* @author: abc

* @date: 2017年9月7日 下午12:26:54

*

*/

package com.xtt.txgl.common.controller;

import java.text.SimpleDateFormat;

import java.util.Date;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.core.convert.converter.Converter;

public class DateConverter implements Converter<String, Date> {

private static Logger log = LoggerFactory.getLogger(DateConverter.class);

/**

* 日期格式带有横杠

*/

private final static String SPLIT_WHIFFLETREE = "-";

/**

* 日期格式带有斜杠

*/

private final static String SPLIT_SLASH = "/";

/**

* 时间冒号

*/

private final static String SPLIT_COLON = ":";

@Override

public Date convert(String value) {

Date result = null;

try {

// 横杠处理

if (value.contains(SPLIT_WHIFFLETREE)) {

if (value.length() == 19) {

result = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(value);

} else if (value.length() == 16) {

result = new SimpleDateFormat("yyyy-MM-dd HH:mm").parse(value);

} else if (value.length() == 10) {

result = new SimpleDateFormat("yyyy-MM-dd").parse(value);

} else if (value.length() == 7) {

result = new SimpleDateFormat("yyyy-MM").parse(value);

} else if (value.length() == 4) {

result = new SimpleDateFormat("yyyy").parse(value);

}

} else if (value.contains(SPLIT_SLASH)) {// 斜杠处理

if (value.length() == 19) {

result = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").parse(value);

} else if (value.length() == 16) {

result = new SimpleDateFormat("yyyy/MM/dd HH:mm").parse(value);

} else if (value.length() == 10) {

result = new SimpleDateFormat("yyyy/MM/dd").parse(value);

} else if (value.length() == 7) {

result = new SimpleDateFormat("yyyy/MM").parse(value);

} else if (value.length() == 4) {

result = new SimpleDateFormat("yyyy").parse(value);

}

} else if (isChinese(value)) {// 判断中文日期

if (value.length() > 18) {

result = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分ss秒").parse(value);

} else if (value.length() > 15) {

result = new SimpleDateFormat("yyyy年MM月dd日 HH时mm分").parse(value);

} else if (value.length() > 10) {

result = new SimpleDateFormat("yyyy年MM月dd日").parse(value);

} else if (value.length() > 7) {

result = new SimpleDateFormat("yyyy年MM月").parse(value);

} else if (value.length() > 4) {

result = new SimpleDateFormat("yyyy年").parse(value);

}

} else {// 无格式日期转换

if (value.length() == 17) {

result = new SimpleDateFormat("yyyyMMdd HH:mm:ss").parse(value);

} else if (value.length() == 14) {

result = new SimpleDateFormat("yyyyMMdd HH:mm").parse(value);

} else if (value.length() == 8) {

if (value.contains(SPLIT_COLON)) {

result = new SimpleDateFormat("HH:mm:ss").parse(value);

} else {

result = new SimpleDateFormat("yyyyMMdd").parse(value);

}

} else if (value.length() == 6) {

result = new SimpleDateFormat("yyyyMM").parse(value);

} else if (value.length() == 4) {

result = new SimpleDateFormat("yyyy").parse(value);

} else if (value.length() == 5) {

result = new SimpleDateFormat("HH:mm").parse(value);

}

}

} catch (Exception e) {

log.error("DateConverter error:" + e.getMessage(), e);

}

return result;

}

private static boolean isChinese(char c) {

Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);

if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS

|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A

|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION

|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) {

return true;

}

return false;

}

/**

* 完整的判断中文汉字和符号

*

* @param strName

* @return

*/

public static boolean isChinese(String strName) {

char[] ch = strName.toCharArray();

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

char c = ch[i];

if (isChinese(c)) {

return true;

}

}

return false;

}

}

第二步：配置为全局类型转换

<!-- 设置Converter转换器 -->

<bean id="convert" class="org.springframework.format.support.FormattingConversionServiceFactoryBean">

<!-- 设置多个转换器 -->

<property name="converters">

<list>

<bean class="com.xtt.txgl.common.controller.DateConverter"></bean>

</list>

</property>

</bean>

第三步：扫描器中关联配置

<mvc:annotation-driven conversion-service="convert"></mvc:annotation-driven>