JFinal 模板引擎目前不支持中文方法,但是有些计算公式业务场景,可能需要用中文方法名 对 业务人员较为友好。
需要更改源代码 @JFinal,代码如下:
仅需修改一个类的两行代码即可实现。
- com.jfinal.template.stat.CharTable
- /**
- * Copyright (c) 2011-2021, James Zhan 詹波 (jfinal@126.com).
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.jfinal.template.stat;
- /**
- * CharTable 空间换时间优化字符判断性能
- * 负值参数强转 char 会自动变正值,无需判断负值数组下标
- * isLetter(EOF) 不会下标越界
- */
- public class CharTable {
- private static final char[] letterChars = buildLetterChars();
- private static final char[] letterOrDigitChars = buildLetterOrDigitChars();
- private static final char[] exprChars = buildExprChars();
- private static final char NULL = 0;
- private static final char SIZE = Character.MAX_VALUE;
- // private static final char SIZE = 128;
- private CharTable() {
- }
- private static char[] createCharArray() {
- char[] ret = new char[SIZE];
- for (char i = 0; i < SIZE; i++) {
- ret[i] = NULL;
- }
- //把中文汉字输入数组
- addChinese(ret);
- return ret;
- }
- public static void addChinese(char[] ret) {
- int a = (int) (4 * Math.pow(16, 3) + 14 * Math.pow(16, 2));
- int b = (int) (9 * Math.pow(16, 3) + 15 * Math.pow(16, 2) + 10 * Math.pow(16, 1)) + 5;
- for (int i = a; i <= b; i++) {
- ret[(char) i] = (char) i;
- }
- }
- public static boolean isExprChar(char c) {
- return c < SIZE && exprChars[c] != NULL;
- }
- private static char[] buildLetterChars() {
- char[] ret = createCharArray();
- for (char i = 'a'; i <= 'z'; i++) {
- ret[i] = i;
- }
- for (char i = 'A'; i <= 'Z'; i++) {
- ret[i] = i;
- }
- ret['_'] = '_'; // 包含下划线字符 '_'
- return ret;
- }
- private static char[] buildLetterOrDigitChars() {
- char[] ret = buildLetterChars();
- for (char i = '0'; i <= '9'; i++) {
- ret[i] = i;
- }
- return ret;
- }
- private static char[] buildExprChars() {
- char[] ret = createCharArray();
- ret['\t'] = '\t';
- ret['\n'] = '\n';
- ret['\r'] = '\r';
- for (char i = ' '; i <= '}'; i++) {
- ret[i] = i;
- }
- ret['#'] = NULL;
- ret['$'] = NULL;
- ret['@'] = NULL;
- ret['\\'] = NULL;
- ret['^'] = NULL;
- ret['`'] = NULL;
- return ret;
- }
- public static boolean isLetter(char c) {
- return c < SIZE && letterChars[c] != NULL;
- }
- public static boolean isLetterOrDigit(char c) {
- return c < SIZE && letterOrDigitChars[c] != NULL;
- }
- public static boolean isDigit(char c) {
- return c >= '0' && c <= '9';
- }
- public static boolean isBlank(char c) {
- return c == ' ' || c == '\t'; // \t\r\u000C
- }
- public static boolean isBlankOrLineFeed(char c) {
- return c == ' ' || c == '\t' || c == '\r' || c == '\n'; // \t\r\n\u000C
- }
- public static boolean isHexadecimalDigit(char c) {
- return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f');
- }
- public static boolean isOctalDigit(char c) {
- return c >= '0' && c <= '7';
- }
- }