• Thymeleaf 内置对象


    dates

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Dates
    * ======================================================================
    */
    /*
    * Format date with the standard locale format
    * Also works with arrays, lists or sets
    */
    ${#dates.format(date)}
    ${#dates.arrayFormat(datesArray)}
    ${#dates.listFormat(datesList)}
    ${#dates.setFormat(datesSet)}
    /*
    * Format date with the ISO8601 format
    * Also works with arrays, lists or sets
    */
    ${#dates.formatISO(date)}
    ${#dates.arrayFormatISO(datesArray)}
    ${#dates.listFormatISO(datesList)}
    ${#dates.setFormatISO(datesSet)}
    /*
    * Format date with the specified pattern
    * Also works with arrays, lists or sets
    */
    ${#dates.format(date, 'dd/MMM/yyyy HH:mm')}
    ${#dates.arrayFormat(datesArray, 'dd/MMM/yyyy HH:mm')}
    ${#dates.listFormat(datesList, 'dd/MMM/yyyy HH:mm')}
    ${#dates.setFormat(datesSet, 'dd/MMM/yyyy HH:mm')}
    /*
    * Obtain date properties
    * Also works with arrays, lists or sets
    */
    ${#dates.day(date)} // also arrayDay(...), listDay(...), etc.
    ${#dates.month(date)} // also arrayMonth(...), listMonth(...), etc.
    ${#dates.monthName(date)} // also arrayMonthName(...), listMonthName(...), etc.
    ${#dates.monthNameShort(date)} // also arrayMonthNameShort(...), listMonthNameShort(...), etc.
    ${#dates.year(date)} // also arrayYear(...), listYear(...), etc.
    ${#dates.dayOfWeek(date)} // also arrayDayOfWeek(...), listDayOfWeek(...), etc.
    ${#dates.dayOfWeekName(date)} // also arrayDayOfWeekName(...), listDayOfWeekName(...), etc.
    ${#dates.dayOfWeekNameShort(date)} // also arrayDayOfWeekNameShort(...), listDayOfWeekNameShort(...), etc.
    ${#dates.hour(date)} // also arrayHour(...), listHour(...), etc.
    ${#dates.minute(date)} // also arrayMinute(...), listMinute(...), etc.
    ${#dates.second(date)} // also arraySecond(...), listSecond(...), etc.
    ${#dates.millisecond(date)} // also arrayMillisecond(...), listMillisecond(...), etc.
    /*
    * Create date (java.util.Date) objects from its components
    */
    ${#dates.create(year,month,day)}
    ${#dates.create(year,month,day,hour,minute)}
    ${#dates.create(year,month,day,hour,minute,second)}
    ${#dates.create(year,month,day,hour,minute,second)}
    ${#dates.create(year,month,day,hour,minute,second,millisecond)}
    /*
    * Create a date (java.util.Date) object for the current date and time
    */
    ${#dates.createNow()}
    /*
    * Create a date (java.util.Date) object for the current date (time set to 00:00)
    */
    ${#dates.createToday()}
    

    Calendars

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Calendars
    * ======================================================================
    */
    /*
    * Format calendar with the standard locale format
    * Also works with arrays, lists or sets
    */
    ${#calendars.format(cal)}
    ${#calendars.arrayFormat(calArray)}
    ${#calendars.listFormat(calList)}
    ${#calendars.setFormat(calSet)}
    /*
    * Format calendar with the ISO8601 format
    * Also works with arrays, lists or sets
    */
    ${#calendars.formatISO(cal)}
    ${#calendars.arrayFormatISO(calArray)}
    ${#calendars.listFormatISO(calList)}
    ${#calendars.setFormatISO(calSet)}
    /*
    * Format calendar with the specified pattern
    * Also works with arrays, lists or sets
    */
    ${#calendars.format(cal, 'dd/MMM/yyyy HH:mm')}
    ${#calendars.arrayFormat(calArray, 'dd/MMM/yyyy HH:mm')}
    ${#calendars.listFormat(calList, 'dd/MMM/yyyy HH:mm')}
    ${#calendars.setFormat(calSet, 'dd/MMM/yyyy HH:mm')}
    /*
    * Obtain calendar properties
    * Also works with arrays, lists or sets
    */
    ${#calendars.day(date)} // also arrayDay(...), listDay(...), etc.
    ${#calendars.month(date)} // also arrayMonth(...), listMonth(...), etc.
    ${#calendars.monthName(date)} // also arrayMonthName(...), listMonthName(...), etc.
    ${#calendars.monthNameShort(date)} // also arrayMonthNameShort(...), listMonthNameShort(...), etc.
    ${#calendars.year(date)} // also arrayYear(...), listYear(...), etc.
    ${#calendars.dayOfWeek(date)} // also arrayDayOfWeek(...), listDayOfWeek(...), etc.
    ${#calendars.dayOfWeekName(date)} // also arrayDayOfWeekName(...), listDayOfWeekName(...), etc.
    ${#calendars.dayOfWeekNameShort(date)} // also arrayDayOfWeekNameShort(...), listDayOfWeekNameShort(...), etc.
    ${#calendars.hour(date)} // also arrayHour(...), listHour(...), etc.
    ${#calendars.hour(date)} // also arrayHour(...), listHour(...), etc.
    ${#calendars.minute(date)} // also arrayMinute(...), listMinute(...), etc.
    ${#calendars.second(date)} // also arraySecond(...), listSecond(...), etc.
    ${#calendars.millisecond(date)} // also arrayMillisecond(...), listMillisecond(...), etc.
    /*
    * Create calendar (java.util.Calendar) objects from its components
    */
    ${#calendars.create(year,month,day)}
    ${#calendars.create(year,month,day,hour,minute)}
    ${#calendars.create(year,month,day,hour,minute,second)}
    ${#calendars.create(year,month,day,hour,minute,second,millisecond)}
    /*
    * Create a calendar (java.util.Calendar) object for the current date and time
    */
    ${#calendars.createNow()}
    /*
    * Create a calendar (java.util.Calendar) object for the current date (time set to 00:00)
    */
    ${#calendars.createToday()}
    

    numbers

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Numbers
    * ======================================================================
    */
    /*
    * ==========================
    * Formatting integer numbers
    * ==========================
    */
    /*
    * Set minimum integer digits.
    * Also works with arrays, lists or sets
    */
    ${#numbers.formatInteger(num,3)}
    ${#numbers.arrayFormatInteger(numArray,3)}
    ${#numbers.listFormatInteger(numList,3)}
    ${#numbers.setFormatInteger(numSet,3)}
    /*
    * Set minimum integer digits and thousands separator:
    * 'POINT', 'COMMA', 'WHITESPACE', 'NONE' or 'DEFAULT' (by locale).
    * Also works with arrays, lists or sets
    */
    ${#numbers.formatInteger(num,3,'POINT')}
    ${#numbers.arrayFormatInteger(numArray,3,'POINT')}
    ${#numbers.listFormatInteger(numList,3,'POINT')}
    ${#numbers.setFormatInteger(numSet,3,'POINT')}
    /*
    * ==========================
    * Formatting decimal numbers
    * ==========================
    */
    /*
    * Set minimum integer digits and (exact) decimal digits.
    * Also works with arrays, lists or sets
    */
    ${#numbers.formatDecimal(num,3,2)}
    ${#numbers.arrayFormatDecimal(numArray,3,2)}
    ${#numbers.listFormatDecimal(numList,3,2)}
    ${#numbers.setFormatDecimal(numSet,3,2)}
    /*
    * Set minimum integer digits and (exact) decimal digits, and also decimal separator.
    * Also works with arrays, lists or sets
    */
    ${#numbers.formatDecimal(num,3,2,'COMMA')}
    ${#numbers.arrayFormatDecimal(numArray,3,2,'COMMA')}
    ${#numbers.listFormatDecimal(numList,3,2,'COMMA')}
    ${#numbers.setFormatDecimal(numSet,3,2,'COMMA')}
    /*
    * Set minimum integer digits and (exact) decimal digits, and also thousands and
    * decimal separator.
    * Also works with arrays, lists or sets
    */
    ${#numbers.formatDecimal(num,3,'POINT',2,'COMMA')}
    ${#numbers.arrayFormatDecimal(numArray,3,'POINT',2,'COMMA')}
    ${#numbers.listFormatDecimal(numList,3,'POINT',2,'COMMA')}
    ${#numbers.setFormatDecimal(numSet,3,'POINT',2,'COMMA')}
    /*
    * ==========================
    * Utility methods
    * ==========================
    */
    /*
    * Create a sequence (array) of integer numbers going
    * from x to y
    */
    ${#numbers.sequence(from,to)}
    ${#numbers.sequence(from,to,step)}
    

    strings

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Strings
    * ======================================================================
    */
    /*
    * Null-safe toString()
    */
    ${#strings.toString(obj)} // also array*, list* and set*
    /*
    * Check whether a String is empty (or null). Performs a trim() operation before check
    * Also works with arrays, lists or sets
    * * Also works with arrays, lists or sets
    */
    ${#strings.isEmpty(name)}
    ${#strings.arrayIsEmpty(nameArr)}
    ${#strings.listIsEmpty(nameList)}
    ${#strings.setIsEmpty(nameSet)}
    /*
    * Perform an 'isEmpty()' check on a string and return it if false, defaulting to
    * another specified string if true.
    * Also works with arrays, lists or sets
    */
    ${#strings.defaultString(text,default)}
    ${#strings.arrayDefaultString(textArr,default)}
    ${#strings.listDefaultString(textList,default)}
    ${#strings.setDefaultString(textSet,default)}
    /*
    * Check whether a fragment is contained in a String
    * Also works with arrays, lists or sets
    */
    ${#strings.contains(name,'ez')} // also array*, list* and set*
    ${#strings.containsIgnoreCase(name,'ez')} // also array*, list* and set*
    /*
    * Check whether a String starts or ends with a fragment
    * Also works with arrays, lists or sets
    */
    ${#strings.startsWith(name,'Don')} // also array*, list* and set*
    ${#strings.endsWith(name,endingFragment)} // also array*, list* and set*
    /*
    * Substring-related operations
    * Also works with arrays, lists or sets
    */
    ${#strings.indexOf(name,frag)} // also array*, list* and set*
    ${#strings.substring(name,3,5)} // also array*, list* and set*
    ${#strings.substringAfter(name,prefix)} // also array*, list* and set*
    ${#strings.substringBefore(name,suffix)} // also array*, list* and set*
    ${#strings.replace(name,'las','ler')} // also array*, list* and set*
    /*
    * Append and prepend
    * Also works with arrays, lists or sets
    */
    ${#strings.prepend(str,prefix)} // also array*, list* and set*
    ${#strings.append(str,suffix)} // also array*, list* and set*
    /*
    * Change case
    * Also works with arrays, lists or sets
    */
    ${#strings.toUpperCase(name)} // also array*, list* and set*
    ${#strings.toLowerCase(name)} // also array*, list* and set*
    /*
    * Split and join
    */
    ${#strings.arrayJoin(namesArray,',')}
    ${#strings.listJoin(namesList,',')}
    ${#strings.setJoin(namesSet,',')}
    ${#strings.arraySplit(namesStr,',')} // returns String[]
    ${#strings.listSplit(namesStr,',')} // returns List<String>
    ${#strings.setSplit(namesStr,',')} // returns Set<String>
    /*
    * Trim
    * Also works with arrays, lists or sets
    */
    ${#strings.trim(str)} // also array*, list* and set*
    /*
    * Compute length
    * Also works with arrays, lists or sets
    */
    ${#strings.length(str)} // also array*, list* and set*
    /*
    * Abbreviate text making it have a maximum size of n. If text is bigger, it
    * will be clipped and finished in "..."
    * Also works with arrays, lists or sets
    */
    ${#strings.abbreviate(str,10)} // also array*, list* and set*
    /*
    * Convert the first character to upper-case (and vice-versa)
    */
    ${#strings.capitalize(str)} // also array*, list* and set*
    ${#strings.unCapitalize(str)} // also array*, list* and set*
    /*
    * Convert the first character of every word to upper-case
    */
    ${#strings.capitalizeWords(str)} // also array*, list* and set*
    ${#strings.capitalizeWords(str,delimiters)} // also array*, list* and set*
    /*
    * Escape the string
    */
    ${#strings.escapeXml(str)} // also array*, list* and set*
    ${#strings.escapeJava(str)} // also array*, list* and set*
    ${#strings.escapeJavaScript(str)} // also array*, list* and set*
    ${#strings.unescapeJava(str)} // also array*, list* and set*
    ${#strings.unescapeJavaScript(str)} // also array*, list* and set*
    /*
    * Null-safe comparison and concatenation
    */
    ${#strings.equals(first, second)}
    ${#strings.equalsIgnoreCase(first, second)}
    ${#strings.concat(values...)}
    ${#strings.concatReplaceNulls(nullValue, values...)}
    /*
    * Random
    */
    ${#strings.randomAlphanumeric(count)}
    

    objects

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Objects
    * ======================================================================
    */
    /*
    * Return obj if it is not null, and default otherwise
    * Also works with arrays, lists or sets
    */
    ${#objects.nullSafe(obj,default)}
    ${#objects.arrayNullSafe(objArray,default)}
    ${#objects.listNullSafe(objList,default)}
    ${#objects.setNullSafe(objSet,default)}
    ##bools
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Bools
    * ======================================================================
    */
    /*
    * Evaluate a condition in the same way that it would be evaluated in a th:if tag
    * (see conditional evaluation chapter afterwards).
    * Also works with arrays, lists or sets
    */
    ${#bools.isTrue(obj)}
    ${#bools.arrayIsTrue(objArray)}
    ${#bools.listIsTrue(objList)}
    ${#bools.setIsTrue(objSet)}
    /*
    * Evaluate with negation
    * Also works with arrays, lists or sets
    */
    ${#bools.isFalse(cond)}
    ${#bools.arrayIsFalse(condArray)}
    ${#bools.listIsFalse(condList)}
    ${#bools.setIsFalse(condSet)}
    /*
    * Evaluate and apply AND operator
    * Receive an array, a list or a set as parameter
    */
    ${#bools.arrayAnd(condArray)}
    ${#bools.listAnd(condList)}
    ${#bools.setAnd(condSet)}
    /*
    * Evaluate and apply OR operator
    * Receive an array, a list or a set as parameter
    */
    ${#bools.arrayOr(condArray)}
    ${#bools.listOr(condList)}
    ${#bools.setOr(condSet)}
    

    arrays

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Arrays
    * ======================================================================
    */
    /*
    * Converts to array, trying to infer array component class.
    * Note that if resulting array is empty, or if the elements
    * of the target object are not all of the same class,
    * this method will return Object[].
    */
    ${#arrays.toArray(object)}
    /*
    * Convert to arrays of the specified component class.
    */
    ${#arrays.toStringArray(object)}
    ${#arrays.toIntegerArray(object)}
    ${#arrays.toLongArray(object)}
    ${#arrays.toDoubleArray(object)}
    ${#arrays.toFloatArray(object)}
    ${#arrays.toBooleanArray(object)}
    /*
    * Compute length
    */
    ${#arrays.length(array)}
    /*
    * Check whether array is empty
    */
    ${#arrays.isEmpty(array)}
    /*
    * Check if element or elements are contained in array
    */
    ${#arrays.contains(array, element)}
    ${#arrays.containsAll(array, elements)}
    ##lists
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Lists
    * ======================================================================
    */
    /*
    * Converts to list
    */
    ${#lists.toList(object)}
    /*
    * Compute size
    */
    ${#lists.size(list)}
    /*
    * Check whether list is empty
    */
    ${#lists.isEmpty(list)}
    /*
    * Check if element or elements are contained in list
    */
    ${#lists.contains(list, element)}
    ${#lists.containsAll(list, elements)}
    /*
    * Sort a copy of the given list. The members of the list must implement
    * comparable or you must define a comparator.
    */
    ${#lists.sort(list)}
    ${#lists.sort(list, comparator)}
    ##sets
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Sets
    * ======================================================================
    */
    /*
    * Converts to set
    */
    ${#sets.toSet(object)}
    /*
    * Compute size
    */
    ${#sets.size(set)}
    /*
    * Check whether set is empty
    */
    ${#sets.isEmpty(set)}
    /*
    * Check if element or elements are contained in set
    */
    ${#sets.contains(set, element)}
    ${#sets.containsAll(set, elements)}
    ##maps
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Maps
    * ======================================================================
    */
    /*
    * Compute size
    */
    ${#maps.size(map)}
    /*
    * Check whether map is empty
    */
    ${#maps.isEmpty(map)}
    /*
    * Check if key/s or value/s are contained in maps
    */
    ${#maps.containsKey(map, key)}
    ${#maps.containsAllKeys(map, keys)}
    ${#maps.containsValue(map, value)}
    ${#maps.containsAllValues(map, value)}
    

    aggregates

    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Aggregates
    * ======================================================================
    */
    /*
    * Compute sum. Returns null if array or collection is empty
    */
    ${#aggregates.sum(array)}
    ${#aggregates.sum(collection)}
    /*
    * Compute average. Returns null if array or collection is empty
    */
    ${#aggregates.avg(array)}
    ${#aggregates.avg(collection)}
    ##messages
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Messages
    * ======================================================================
    */
    /*
    * Obtain externalized messages. Can receive a single key, a key plus arguments,
    * or an array/list/set of keys (in which case it will return an array/list/set of
    * externalized messages).
    * If a message is not found, a default message (like '??msgKey??') is returned.
    */
    ${#messages.msg('msgKey')}
    ${#messages.msg('msgKey', param1)}
    ${#messages.msg('msgKey', param1, param2)}
    ${#messages.msg('msgKey', param1, param2, param3)}
    ${#messages.msgWithParams('msgKey', new Object[] {param1, param2, param3, param4})}
    ${#messages.arrayMsg(messageKeyArray)}
    ${#messages.listMsg(messageKeyList)}
    ${#messages.setMsg(messageKeySet)}
    /*
    * Obtain externalized messages or null. Null is returned instead of a default
    * message if a message for the specified key is not found.
    */
    ${#messages.msgOrNull('msgKey')}
    ${#messages.msgOrNull('msgKey', param1)}
    ${#messages.msgOrNull('msgKey', param1, param2)}
    ${#messages.msgOrNull('msgKey', param1, param2, param3)}
    ${#messages.msgOrNullWithParams('msgKey', new Object[] {param1, param2, param3, param4})}
    ${#messages.arrayMsgOrNull(messageKeyArray)}
    ${#messages.listMsgOrNull(messageKeyList)}
    ${#messages.setMsgOrNull(messageKeySet)}
    ##ids
    /*
    * ======================================================================
    * See javadoc API for class org.thymeleaf.expression.Ids
    * ======================================================================
    */
    /*
    * Normally used in th:id attributes, for appending a counter to the id attribute value
    * so that it remains unique even when involved in an iteration process.
    */
    ${#ids.seq('someId')}
    /*
    * Normally used in th:for attributes in <label> tags, so that these labels can refer to Ids
    * generated by means if the #ids.seq(...) function.
    *
    * Depending on whether the <label> goes before or after the element with the #ids.seq(...)
    * function, the "next" (label goes before "seq") or the "prev" function (label goes after
    * "seq") function should be called.
    */
    ${#ids.next('someId')}
    ${#ids.prev('someId')}
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  • 原文地址:https://www.cnblogs.com/holyong/p/11806577.html
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