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Util.html

Util.html 18 KB
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  73. <ul class="subNavList">
    74. 

  74. <li>概要:&nbsp;</li>
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  76. <li>字段&nbsp;|&nbsp;</li>
    77. 

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    82. 

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  84. <li><a href="#method.detail">方法</a></li>
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  92. <div class="header">
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  93. <div class="subTitle">db</div>
    94. 

  94. <h2 title="类 Util" class="title">类 Util</h2>
    95. 

  95. </div>
    96. 

  96. <div class="contentContainer">
    97. 

  97. <ul class="inheritance">
    98. 

  98. <li>java.lang.Object</li>
    99. 

  99. <li>
    100. 

  100. <ul class="inheritance">
    101. 

  101. <li>db.Util</li>
    102. 

  102. </ul>
    103. 

  103. </li>
    104. 

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    105. 

  105. <div class="description">
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  108. <hr>
    109. 

  109. <br>
    110. 

  110. <pre>public class <span class="typeNameLabel">Util</span>
    111. 

  111. extends java.lang.Object</pre>
    112. 

  112. </li>
    113. 

  113. </ul>
    114. 

  114. </div>
    115. 

  115. <div class="summary">
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  122. </a>
    123. 

  123. <h3>构造器概要</h3>
    124. 

  124. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="构造器概要表, 列表构造器和解释">
    125. 

  125. <caption><span>构造器</span><span class="tabEnd">&nbsp;</span></caption>
    126. 

  126. <tr>
    127. 

  127. <th class="colOne" scope="col">构造器和说明</th>
    128. 

  128. </tr>
    129. 

  129. <tr class="altColor">
    130. 

  130. <td class="colOne"><code><span class="memberNameLink"><a href="../db/Util.html#Util--">Util</a></span>()</code>&nbsp;</td>
    131. 

  131. </tr>
    132. 

  132. </table>
    133. 

  133. </li>
    134. 

  134. </ul>
    135. 

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    140. 

  140. <h3>方法概要</h3>
    141. 

  141. <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="方法概要表, 列表方法和解释">
    142. 

  142. <caption><span id="t0" class="activeTableTab"><span>所有方法</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">静态方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">实例方法</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">具体方法</a></span><span class="tabEnd">&nbsp;</span></span></caption>
    143. 

  143. <tr>
    144. 

  144. <th class="colFirst" scope="col">限定符和类型</th>
    145. 

  145. <th class="colLast" scope="col">方法和说明</th>
    146. 

  146. </tr>
    147. 

  147. <tr id="i0" class="altColor">
    148. 

  148. <td class="colFirst"><code>static long</code></td>
    149. 

  149. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#currentUTCMilliSeconds--">currentUTCMilliSeconds</a></span>()</code>
    150. 

  150. <div class="block">返回当前时间的Unix值，单位为毫秒</div>
    151. 

  151. </td>
    152. 

  152. </tr>
    153. 

  153. <tr id="i1" class="rowColor">
    154. 

  154. <td class="colFirst"><code>static long</code></td>
    155. 

  155. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#currentUTCSeconds--">currentUTCSeconds</a></span>()</code>
    156. 

  156. <div class="block">返回当前时间的Unix值，单位为毫秒</div>
    157. 

  157. </td>
    158. 

  158. </tr>
    159. 

  159. <tr id="i2" class="altColor">
    160. 

  160. <td class="colFirst"><code>static long</code></td>
    161. 

  161. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#dateStringToUTCMilliSeconds-java.lang.String-">dateStringToUTCMilliSeconds</a></span>(java.lang.String&nbsp;date)</code>
    162. 

  162. <div class="block">将标准时间转为Unix毫秒</div>
    163. 

  163. </td>
    164. 

  164. </tr>
    165. 

  165. <tr id="i3" class="rowColor">
    166. 

  166. <td class="colFirst"><code>static long</code></td>
    167. 

  167. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#dateStringToUTCSeconds-java.lang.String-">dateStringToUTCSeconds</a></span>(java.lang.String&nbsp;date)</code>
    168. 

  168. <div class="block">将标准时间转为Unix秒</div>
    169. 

  169. </td>
    170. 

  170. </tr>
    171. 

  171. <tr id="i4" class="altColor">
    172. 

  172. <td class="colFirst"><code>static java.lang.String</code></td>
    173. 

  173. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#getNetFileSizeDescription-long-">getNetFileSizeDescription</a></span>(long&nbsp;size)</code>
    174. 

  174. <div class="block">返回human-readable的数据尺寸大小</div>
    175. 

  175. </td>
    176. 

  176. </tr>
    177. 

  177. <tr id="i5" class="rowColor">
    178. 

  178. <td class="colFirst"><code>boolean</code></td>
    179. 

  179. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#objCheckIsNull-java.lang.Object-">objCheckIsNull</a></span>(java.lang.Object&nbsp;object)</code>&nbsp;</td>
    180. 

  180. </tr>
    181. 

  181. <tr id="i6" class="altColor">
    182. 

  182. <td class="colFirst"><code>static java.time.OffsetDateTime</code></td>
    183. 

  183. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#toOffsetDateTime-long-">toOffsetDateTime</a></span>(long&nbsp;timeMilli)</code>&nbsp;</td>
    184. 

  184. </tr>
    185. 

  185. <tr id="i7" class="rowColor">
    186. 

  186. <td class="colFirst"><code>static java.lang.String</code></td>
    187. 

  187. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCMilliSecondsToDateString-long-">uTCMilliSecondsToDateString</a></span>(long&nbsp;utcMilliSeconds)</code>
    188. 

  188. <div class="block">将Unix秒转为标准时间</div>
    189. 

  189. </td>
    190. 

  190. </tr>
    191. 

  191. <tr id="i8" class="altColor">
    192. 

  192. <td class="colFirst"><code>static java.lang.String</code></td>
    193. 

  193. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCMilliSecondsToDateStringWithMs-long-">uTCMilliSecondsToDateStringWithMs</a></span>(long&nbsp;utcMilliSeconds)</code>
    194. 

  194. <div class="block">将Unix秒转为标准时间</div>
    195. 

  195. </td>
    196. 

  196. </tr>
    197. 

  197. <tr id="i9" class="rowColor">
    198. 

  198. <td class="colFirst"><code>static java.lang.String</code></td>
    199. 

  199. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCMSToDateString-java.lang.String-">uTCMSToDateString</a></span>(java.lang.String&nbsp;utcSeconds)</code>&nbsp;</td>
    200. 

  200. </tr>
    201. 

  201. <tr id="i10" class="altColor">
    202. 

  202. <td class="colFirst"><code>static java.lang.String</code></td>
    203. 

  203. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCSecondsToDateString-long-">uTCSecondsToDateString</a></span>(long&nbsp;utcSeconds)</code>
    204. 

  204. <div class="block">将Unix秒转为标准时间</div>
    205. 

  205. </td>
    206. 

  206. </tr>
    207. 

  207. <tr id="i11" class="rowColor">
    208. 

  208. <td class="colFirst"><code>static java.lang.String</code></td>
    209. 

  209. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCSecondsToDateStringMonth-long-">uTCSecondsToDateStringMonth</a></span>(long&nbsp;utcSeconds)</code>
    210. 

  210. <div class="block">将Unix秒转为标准时间</div>
    211. 

  211. </td>
    212. 

  212. </tr>
    213. 

  213. <tr id="i12" class="altColor">
    214. 

  214. <td class="colFirst"><code>static java.lang.String</code></td>
    215. 

  215. <td class="colLast"><code><span class="memberNameLink"><a href="../db/Util.html#uTCSecondsToDateStringYear-long-">uTCSecondsToDateStringYear</a></span>(long&nbsp;utcSeconds)</code>
    216. 

  216. <div class="block">将Unix秒转为标准时间</div>
    217. 

  217. </td>
    218. 

  218. </tr>
    219. 

  219. </table>
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  223. </a>
    224. 

  224. <h3>从类继承的方法&nbsp;java.lang.Object</h3>
    225. 

  225. <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
    226. 

  226. </ul>
    227. 

  227. </li>
    228. 

  228. </ul>
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  239. </a>
    240. 

  240. <h3>构造器详细资料</h3>
    241. 

  241. <a name="Util--">
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  243. </a>
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  246. <h4>Util</h4>
    247. 

  247. <pre>public&nbsp;Util()</pre>
    248. 

  248. </li>
    249. 

  249. </ul>
    250. 

  250. </li>
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  256. </a>
    257. 

  257. <h3>方法详细资料</h3>
    258. 

  258. <a name="dateStringToUTCSeconds-java.lang.String-">
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  259. <!--   -->
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  263. <h4>dateStringToUTCSeconds</h4>
    264. 

  264. <pre>public static&nbsp;long&nbsp;dateStringToUTCSeconds(java.lang.String&nbsp;date)
    265. 

  265.                                    throws java.text.ParseException</pre>
    266. 

  266. <div class="block">将标准时间转为Unix秒</div>
    267. 

  267. <dl>
    268. 

  268. <dt><span class="paramLabel">参数:</span></dt>
    269. 

  269. <dd><code>date</code> - String格式时间</dd>
    270. 

  270. <dt><span class="returnLabel">返回:</span></dt>
    271. 

  271. <dd>long</dd>
    272. 

  272. <dt><span class="throwsLabel">抛出:</span></dt>
    273. 

  273. <dd><code>java.text.ParseException</code></dd>
    274. 

  274. </dl>
    275. 

  275. </li>
    276. 

  276. </ul>
    277. 

  277. <a name="dateStringToUTCMilliSeconds-java.lang.String-">
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  278. <!--   -->
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  279. </a>
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  280. <ul class="blockList">
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  281. <li class="blockList">
    282. 

  282. <h4>dateStringToUTCMilliSeconds</h4>
    283. 

  283. <pre>public static&nbsp;long&nbsp;dateStringToUTCMilliSeconds(java.lang.String&nbsp;date)
    284. 

  284.                                         throws java.text.ParseException</pre>
    285. 

  285. <div class="block">将标准时间转为Unix毫秒</div>
    286. 

  286. <dl>
    287. 

  287. <dt><span class="paramLabel">参数:</span></dt>
    288. 

  288. <dd><code>date</code> - String格式时间</dd>
    289. 

  289. <dt><span class="returnLabel">返回:</span></dt>
    290. 

  290. <dd>long</dd>
    291. 

  291. <dt><span class="throwsLabel">抛出:</span></dt>
    292. 

  292. <dd><code>java.text.ParseException</code></dd>
    293. 

  293. </dl>
    294. 

  294. </li>
    295. 

  295. </ul>
    296. 

  296. <a name="uTCSecondsToDateString-long-">
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  297. <!--   -->
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  298. </a>
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  300. <li class="blockList">
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  301. <h4>uTCSecondsToDateString</h4>
    302. 

  302. <pre>public static&nbsp;java.lang.String&nbsp;uTCSecondsToDateString(long&nbsp;utcSeconds)
    303. 

  303.                                                throws java.text.ParseException</pre>
    304. 

  304. <div class="block">将Unix秒转为标准时间</div>
    305. 

  305. <dl>
    306. 

  306. <dt><span class="paramLabel">参数:</span></dt>
    307. 

  307. <dd><code>utcSeconds</code> - long格式当前unix时间秒数</dd>
    308. 

  308. <dt><span class="returnLabel">返回:</span></dt>
    309. 

  309. <dd>String</dd>
    310. 

  310. <dt><span class="throwsLabel">抛出:</span></dt>
    311. 

  311. <dd><code>java.text.ParseException</code></dd>
    312. 

  312. </dl>
    313. 

  313. </li>
    314. 

  314. </ul>
    315. 

  315. <a name="uTCMilliSecondsToDateString-long-">
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  320. <h4>uTCMilliSecondsToDateString</h4>
    321. 

  321. <pre>public static&nbsp;java.lang.String&nbsp;uTCMilliSecondsToDateString(long&nbsp;utcMilliSeconds)</pre>
    322. 

  322. <div class="block">将Unix秒转为标准时间</div>
    323. 

  323. <dl>
    324. 

  324. <dt><span class="paramLabel">参数:</span></dt>
    325. 

  325. <dd><code>utcMilliSeconds</code> - long格式当前unix时间毫秒数</dd>
    326. 

  326. <dt><span class="returnLabel">返回:</span></dt>
    327. 

  327. <dd>String</dd>
    328. 

  328. </dl>
    329. 

  329. </li>
    330. 

  330. </ul>
    331. 

  331. <a name="uTCMilliSecondsToDateStringWithMs-long-">
    332. 

  332. <!--   -->
    333. 

  333. </a>
    334. 

  334. <ul class="blockList">
    335. 

  335. <li class="blockList">
    336. 

  336. <h4>uTCMilliSecondsToDateStringWithMs</h4>
    337. 

  337. <pre>public static&nbsp;java.lang.String&nbsp;uTCMilliSecondsToDateStringWithMs(long&nbsp;utcMilliSeconds)</pre>
    338. 

  338. <div class="block">将Unix秒转为标准时间</div>
    339. 

  339. <dl>
    340. 

  340. <dt><span class="paramLabel">参数:</span></dt>
    341. 

  341. <dd><code>utcMilliSeconds</code> - long格式当前unix时间毫秒数</dd>
    342. 

  342. <dt><span class="returnLabel">返回:</span></dt>
    343. 

  343. <dd>String</dd>
    344. 

  344. </dl>
    345. 

  345. </li>
    346. 

  346. </ul>
    347. 

  347. <a name="uTCMSToDateString-java.lang.String-">
    348. 

  348. <!--   -->
    349. 

  349. </a>
    350. 

  350. <ul class="blockList">
    351. 

  351. <li class="blockList">
    352. 

  352. <h4>uTCMSToDateString</h4>
    353. 

  353. <pre>public static&nbsp;java.lang.String&nbsp;uTCMSToDateString(java.lang.String&nbsp;utcSeconds)
    354. 

  354.                                           throws java.text.ParseException</pre>
    355. 

  355. <dl>
    356. 

  356. <dt><span class="throwsLabel">抛出:</span></dt>
    357. 

  357. <dd><code>java.text.ParseException</code></dd>
    358. 

  358. </dl>
    359. 

  359. </li>
    360. 

  360. </ul>
    361. 

  361. <a name="uTCSecondsToDateStringYear-long-">
    362. 

  362. <!--   -->
    363. 

  363. </a>
    364. 

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    365. 

  365. <li class="blockList">
    366. 

  366. <h4>uTCSecondsToDateStringYear</h4>
    367. 

  367. <pre>public static&nbsp;java.lang.String&nbsp;uTCSecondsToDateStringYear(long&nbsp;utcSeconds)
    368. 

  368.                                                    throws java.text.ParseException</pre>
    369. 

  369. <div class="block">将Unix秒转为标准时间</div>
    370. 

  370. <dl>
    371. 

  371. <dt><span class="paramLabel">参数:</span></dt>
    372. 

  372. <dd><code>utcSeconds</code> - long格式当前unix时间秒数</dd>
    373. 

  373. <dt><span class="returnLabel">返回:</span></dt>
    374. 

  374. <dd>String</dd>
    375. 

  375. <dt><span class="throwsLabel">抛出:</span></dt>
    376. 

  376. <dd><code>java.text.ParseException</code></dd>
    377. 

  377. </dl>
    378. 

  378. </li>
    379. 

  379. </ul>
    380. 

  380. <a name="uTCSecondsToDateStringMonth-long-">
    381. 

  381. <!--   -->
    382. 

  382. </a>
    383. 

  383. <ul class="blockList">
    384. 

  384. <li class="blockList">
    385. 

  385. <h4>uTCSecondsToDateStringMonth</h4>
    386. 

  386. <pre>public static&nbsp;java.lang.String&nbsp;uTCSecondsToDateStringMonth(long&nbsp;utcSeconds)
    387. 

  387.                                                     throws java.text.ParseException</pre>
    388. 

  388. <div class="block">将Unix秒转为标准时间</div>
    389. 

  389. <dl>
    390. 

  390. <dt><span class="paramLabel">参数:</span></dt>
    391. 

  391. <dd><code>utcSeconds</code> - long格式当前unix时间秒数</dd>
    392. 

  392. <dt><span class="returnLabel">返回:</span></dt>
    393. 

  393. <dd>String</dd>
    394. 

  394. <dt><span class="throwsLabel">抛出:</span></dt>
    395. 

  395. <dd><code>java.text.ParseException</code></dd>
    396. 

  396. </dl>
    397. 

  397. </li>
    398. 

  398. </ul>
    399. 

  399. <a name="currentUTCSeconds--">
    400. 

  400. <!--   -->
    401. 

  401. </a>
    402. 

  402. <ul class="blockList">
    403. 

  403. <li class="blockList">
    404. 

  404. <h4>currentUTCSeconds</h4>
    405. 

  405. <pre>public static&nbsp;long&nbsp;currentUTCSeconds()</pre>
    406. 

  406. <div class="block">返回当前时间的Unix值，单位为毫秒</div>
    407. 

  407. <dl>
    408. 

  408. <dt><span class="returnLabel">返回:</span></dt>
    409. 

  409. <dd>long</dd>
    410. 

  410. </dl>
    411. 

  411. </li>
    412. 

  412. </ul>
    413. 

  413. <a name="currentUTCMilliSeconds--">
    414. 

  414. <!--   -->
    415. 

  415. </a>
    416. 

  416. <ul class="blockList">
    417. 

  417. <li class="blockList">
    418. 

  418. <h4>currentUTCMilliSeconds</h4>
    419. 

  419. <pre>public static&nbsp;long&nbsp;currentUTCMilliSeconds()</pre>
    420. 

  420. <div class="block">返回当前时间的Unix值，单位为毫秒</div>
    421. 

  421. <dl>
    422. 

  422. <dt><span class="returnLabel">返回:</span></dt>
    423. 

  423. <dd>long</dd>
    424. 

  424. </dl>
    425. 

  425. </li>
    426. 

  426. </ul>
    427. 

  427. <a name="toOffsetDateTime-long-">
    428. 

  428. <!--   -->
    429. 

  429. </a>
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    432. 

  432. <h4>toOffsetDateTime</h4>
    433. 

  433. <pre>public static&nbsp;java.time.OffsetDateTime&nbsp;toOffsetDateTime(long&nbsp;timeMilli)</pre>
    434. 

  434. </li>
    435. 

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    438. 

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    440. 

  440. <li class="blockList">
    441. 

  441. <h4>getNetFileSizeDescription</h4>
    442. 

  442. <pre>public static&nbsp;java.lang.String&nbsp;getNetFileSizeDescription(long&nbsp;size)</pre>
    443. 

  443. <div class="block">返回human-readable的数据尺寸大小</div>
    444. 

  444. <dl>
    445. 

  445. <dt><span class="paramLabel">参数:</span></dt>
    446. 

  446. <dd><code>size</code> - </dd>
    447. 

  447. <dt><span class="returnLabel">返回:</span></dt>
    448. 

  448. <dd>String</dd>
    449. 

  449. </dl>
    450. 

  450. </li>
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