在EL表达式或者Struts标签库中格式化日期对象,即将Date转换为yyyy-MM-dd格式

时间:2023-03-09 15:27:21
在EL表达式或者Struts标签库中格式化日期对象,即将Date转换为yyyy-MM-dd格式

一、EL表达式

  首先,在jsp页面引入<fmt> tags,<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>。

  其次,将EL表达式作为fmt标签属性的value值。再增加pattern参数,为日期制定需要格式化的格式,如yyyy-MM-dd。例如:

<fmt:formatDate value="${object.dateproperty}" pattern="yyyy-MM-dd HH:mm"/> 

二、Struts标签库

  首先,在jsp页面导入Struts标签库即:。类似EL表达式,我们需要在s:date标签总指定format作为格式化日期的参数,同时将需要格式化的date属性指定为name属性的值,例如:

<s:date name="#object.dateproperty" format="yyyy-MM-dd HH:mm"/>

备注:name中写#object.dateproperty,而不能写object.dateproperty,必须加#。

附:未格式化显示:

aaarticlea/png;base64,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" alt="" />

格式化后显示:

aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAAiwAAABTCAIAAAAz/suDAAAIpUlEQVR4nO3cW4KjIBBGYXfEilwQu3Ex7Md58MaluGgnUmTO9zSTRLBT4i9o9zQBAAAAwH9qBQDgdYQQAKAbQggA0A0hBADohhACAHRDCAEAuiGEAADdEEIAgG4IIQBAN4QQAKAbQggA0A0hBECPZZ6maZoX/zVnzTRNk7FO2mJ7N9yitMn2lvfO1mWueWHvkt7wF4QQAD2kECqm0JEL4Zv5LfZ3/B72l+rR0vxB3EAIAdDDC6EjXkReDkgzmWwIHRlk9zypdOBqHyOU/owQAqBCdMKflzVZa1tm739ySOXCY88jcaZV26fsSp0wrcJdhBAAPcKQOLJkS4Hwf0W5mdDWfMvtn3AHmAl9DyEEQI9opuLfhUnuyASJss+L9jflEApSrJQv53bMhL6PEAKgxxlCtTmIsc6PgCh1xBA6m2QmpAkhBECP9J7NMmdjw5unROtsUghd95CYCWlCCAHQ40qK4sJa8Olr3jQvmWgx1q3LPE3GFEMlwUzo+wghACp4T7s1LMd5i3Dnyly0ROe1aqxbnTX7k9ntIZTZR1LngwghAHqEy3HR4lz6bNvxgXRKtKbbOOeSBTxZcGtpXsIkC2LIWfOHTMNKCAHQxI+dczIU/Fe4z2Pm2YQhIYbQWrqLJH38nPf4rzprro1u/MkfZBBCAPQIQsjZdLZS+Ns93nPcnwghL/Skzy6z3yEx9BghBEAP6S8aeAtn+b9Iur+/zYk+E0LOzsFfEJKetdvW6oxdHCH0ECEEQA/xLpA8GQrei35BKDd/unlPKN6v6sdwHyEEQIXzPO8/AJCbq+SeT/voPSG8gRACAHRDCAEAuiGEAADdEEIAgG4IIQBAN4QQAKAbQggA0A0hBADohhACAHRDCAEAuiGEAADd5P+EHwAAAAD8uN4TMgQoikIURSfqMqizcISQRhRFIYqiE3UZFCGkGkVRiKLoRF0GRQipRlEUoig6UZdBEUKqURSFKIpO1GVQhJBqFEUhiqITdRkUIaQaRVGIouhEXQZFCKlGURSiKDpRl0ERQqpRFIUoik7UZVCEkGoURSGKohN1GRQhpBpFUYii6ERdBvX/hNAybz/hvOQ/46yZpslY995ulf16UYaksSjbkXsc3M6a9CgOP/Kk9ajJZWaw4AO6htB+bBcdY6blsztxXBzb58bgkVFxU0vS75vDjnGl0MtFyR/53rHsJ8yxQXSg5kMoPfblTYNXz90y1mV38dWIYrAM6izc1KGExWuzfWRkL9xqqZLLlcJI3jbYBs7x7y2E9g+9fu3HuFKoS1Hkw307SuclHkrStL8WQtsb/hiIN91fPRty1kzTbJdFGBBiO99Vr4t/RpCmdcI54eKsyZ5stm+iZY65zMmXUu+6oZHaHlZ6KnwzcQ/ls2e1CcFZuKnD0HoeQt6Xkf95KzGW9B4sxh0D0xFCCPUoyn4sG+uCc00uhNZ1mad5qV+Izcsqh5DNbHjNe8qnS30htMzeTjtrvL0LMiR8K9i6fDaq54ew3N/Qdb2R6h6Weyp8M0IfYg/tTQg0hFB9lIT2b9sel2dL5jLkZgiFw4YQQsb7RQmmQf5hnQ+hXBvS0ft0JpQZwcY6hSEUnz+9c3J8Cy2eUVxJLn2/53dQDqHrq4q7KnXd1EhtDys9Fb6ZShtB/21NSM7CTR3Odw9mQt54OUfG4uSLs1shdF1fXAU11gnDjBD6z71dlPgej7fWJoVQZpWgMBrEEHLWhDOFfAhFn9MZQonrxJlc3/svHBeemfPqdl7OXQf7nzoLFlcl23VjI5U9vN9T/OP71+mNFS38GKlxQii5ksu9EE1taryx9+TBoe8ihBR6uSj59YJj0UyYCSUZ4D9HEPcghNA8p1dovxVC11V9en0fR8Xx+eQMcbzYfOUftdzWdaWR4h4+6Kk430lPnW29lWgIoYaMkL6xwnOj/nhqvydUj63Xn0ftUBTUaCiKs8bYxTWHUDDU4hEhPh3nt/CDIeSdUJ6H0Hm9/0shVAyn+B56fgIxyj2hL7sfQrW2CCF0LEp6EGbvCUUfjS/3Ms/YBRumK3xD3xMKBGfJpyHkLTn9TgjdyY/MfOdmBPULobalsnDMtEyckrXSeyGUGzq3AuuD3i0KmnQryuMQ8kZCfIMpaCXc8Iqe35oJxSfrZyEU3PX4kRC69zyB+PGbTazr2n0mlD42WKhAJQmSw/7OPaFKD7Vd+xZCSKG3i5K5+LoeoqmEUPXuavbpuGNL+zshJD0+3HTPPjq7Zk4uc/xYvLCA1/Rgwp1G5D2MVH9I6ZspSzq838S6rr1DaP+mg4P74yHUPhNqmmq9OrJ6FAUV3YryZCZ0HNOlB0fzj2gvc8ty3CghFN/U8F8vPTd9bVw8lzyYCbV1XWukaSeKPeW+mXK3wU2hpiZkXUPIe9Z0XXMZkH/6TWztb8txTTv84qIcIaSQohA6hQfzMbC8x+fkDfzgkUIobH3oe0KlS9zgCj5zOf+dEGrqutpI005ke2pe5olyzHtg+28rRR1DyJ9wemvQnWZC1bU70/ir4h9FCCmkI4ScNekkXgiGhjOD+HSc/4HWmVBuX99RrIs8vjNPbkgj/Esh1NJ1QyNNOyH3VP5mokU7v4l4PbdyEOWdhZuKJfw4//5o+CNUQ6jsT/eEKt4fWO8WBU1eLkrmME7vMvvXcv6TBdXDvzoTCl9suRbr8SQPg2VQZ+Gm10u4zM2JETwd9/JyXPtvaH0B40ohTUWRr0w/33bbsnhui3doqgtu6BhCqKMoClEUnajLoAgh1SiKQhRFJ+oyKEJINYqiEEXRiboMihBSjaIoRFF0oi6DIoRUoygKURSdqMugCCHVKIpCFEUn6jIoQkg1iqIQRdGJugyKEFKNoihEUXSiLoMihFSjKApRFJ2oy6AIIdUoikIURSfqMihCSDWKohBF0Ym6DCoOIQAAAAD4//SemSFAURSiKDpRl0GdhfsHAm/KVCyAVEcAAAAASUVORK5CYII=" alt="" />