Enjoy 3.2 release ^_^
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/**
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* Copyright (c) 2011-2017, James Zhan 詹波 (jfinal@126.com).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.jfinal.template.ext.directive;
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import java.io.Writer;
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import java.text.SimpleDateFormat;
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import com.jfinal.template.Directive;
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import com.jfinal.template.Env;
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import com.jfinal.template.TemplateException;
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import com.jfinal.template.expr.ast.ExprList;
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import com.jfinal.template.stat.ParseException;
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import com.jfinal.template.stat.Scope;
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/**
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* 输出当前时间,默认考虑是输出时间,给 pattern 输出可能是 Date、DateTime、Timestamp
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* 带 String 参数,表示 pattern
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*/
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public class NowDirective extends Directive {
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public void setExrpList(ExprList exprList) {
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if (exprList.length() > 1) {
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throw new ParseException("#now directive support one parameter only", location);
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}
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super.setExprList(exprList);
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}
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public void exec(Env env, Scope scope, Writer writer) {
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String dataPattern;
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if (exprList.length() == 0) {
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dataPattern = env.getEngineConfig().getDatePattern();
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} else {
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Object dp = exprList.eval(scope);
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if (dp instanceof String) {
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dataPattern = (String)dp;
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} else {
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throw new TemplateException("The parameter of #new directive must be String", location);
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}
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}
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try {
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String value = new SimpleDateFormat(dataPattern).format(new java.util.Date());
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write(writer, value);
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} catch (Exception e) {
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throw new TemplateException(e.getMessage(), location, e);
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}
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}
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}
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