{"id":224722,"date":"2024-05-11T19:46:18","date_gmt":"2024-05-11T11:46:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/224722.html"},"modified":"2024-05-11T19:46:24","modified_gmt":"2024-05-11T11:46:24","slug":"java%e4%bb%a3%e7%a0%81%e7%94%9f%e6%88%90pdf%e6%96%87%e4%bb%b6%e4%b8%ad%e8%a1%a8%e6%a0%bc%e4%b8%ba%e4%bb%80%e4%b9%88%e4%bc%9a%e5%b1%85%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/224722.html","title":{"rendered":"java\u4ee3\u7801\u751f\u6210pdf\u6587\u4ef6\u4e2d\u8868\u683c\u4e3a\u4ec0\u4e48\u4f1a\u5c45\u4e2d"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25144017\/5997c0be-14da-4f28-999b-378fbdbedd72.webp\" alt=\"java\u4ee3\u7801\u751f\u6210pdf\u6587\u4ef6\u4e2d\u8868\u683c\u4e3a\u4ec0\u4e48\u4f1a\u5c45\u4e2d\" \/><\/p>\n<p><p>Java\u4ee3\u7801\u751f\u6210PDF\u6587\u4ef6\u4e2d\u7684\u8868\u683c\u5c45\u4e2d\u901a\u5e38\u662f\u56e0\u4e3a\u5728\u521b\u5efa\u8868\u683c\u65f6\uff0c\u5728\u8868\u683c\u7684\u5c5e\u6027\u6216\u6837\u5f0f\u8bbe\u7f6e\u4e2d\u6307\u5b9a\u4e86\u5c45\u4e2d\u5bf9\u9f50\u3002<strong>\u8bbe\u7f6e\u5c45\u4e2d\u5bf9\u9f50<\/strong>\u3001<strong>\u9075\u5faa\u6587\u6863\u6807\u51c6\u5e03\u5c40<\/strong>\u3001<strong>\u63d0\u9ad8\u89c6\u89c9\u6548\u679c<\/strong>\u7b49\u56e0\u7d20\u90fd\u53ef\u80fd\u662f\u8868\u683c\u4e3a\u4ec0\u4e48\u4f1a\u5c45\u4e2d\u7684\u539f\u56e0\u3002<\/p>\n<\/p>\n<p><p><strong>\u9075\u5faa\u6587\u6863\u6807\u51c6\u5e03\u5c40<\/strong>\u7684\u539f\u5219\uff0c\u4e00\u822c\u800c\u8a00\uff0c\u6587\u6863\u4e2d\u7684\u8868\u683c\u5c45\u4e2d\u53ef\u4ee5\u4f7f\u9875\u9762\u5e03\u5c40\u66f4\u52a0\u6574\u9f50\u3001\u7f8e\u89c2\uff0c\u5e76\u4e14\u4ece\u89c6\u89c9\u4e0a\u66f4\u5bb9\u6613\u5206\u8fa8\u548c\u9605\u8bfb\u3002\u8fd9\u5c31\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48\u8868\u683c\u5c45\u4e2d\u662f\u8bb8\u591aPDF\u6587\u6863\u7684\u9ed8\u8ba4\u6216\u9996\u9009\u6837\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u8868\u683c\u5c45\u4e2d\u7684\u539f\u56e0<\/h3>\n<\/p>\n<p><p>\u5728Java\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\uff0c\u751f\u6210PDF\u6587\u6863\u5e76\u5728\u5176\u4e2d\u63d2\u5165\u8868\u683c\u65f6\uff0c\u901a\u5e38\u4f7f\u7528\u7684\u662f\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982iText\u6216Apache PDFBox\u7b49\u3002\u8fd9\u4e9b\u5e93\u5bf9\u4e8e\u8868\u683c\u7684\u5e03\u5c40\u63d0\u4f9b\u4e86\u76f8\u5bf9\u7075\u6d3b\u7684\u8bbe\u7f6e\u3002<\/p>\n<\/p>\n<p><h4>\u4ee3\u7801\u8bbe\u7f6e\u5c45\u4e2d<\/h4>\n<\/p>\n<p><p>\u5c45\u4e2d\u901a\u5e38\u662f\u5728\u521b\u5efa\u8868\u683c\u65f6\u901a\u8fc7\u8bbe\u7f6e\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\uff0c\u6bd4\u5982\u5728iText\u4e2d\uff0c\u4f60\u53ef\u80fd\u4f1a\u9047\u5230\u5982\u4e0b\u7684\u4ee3\u7801\u6bb5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">PdfPTable table = new PdfPTable(3); \/\/ \u521b\u5efa\u5e26\u67093\u5217\u7684\u8868\u683c<\/p>\n<p>table.setWidthPercentage(100); \/\/ \u8bbe\u7f6e\u8868\u683c\u5bbd\u5ea6\u5360\u9875\u9762\u5bbd\u5ea6\u7684\u767e\u5206\u6bd4<\/p>\n<p>table.setHorizontalAlignment(Element.ALIGN_CENTER); \/\/ \u8bbe\u7f6e\u8868\u683c\u6c34\u5e73\u5c45\u4e2d\u5bf9\u9f50<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>setHorizontalAlignment<\/code>\u65b9\u6cd5\u5c31\u662f\u7528\u6765\u8bbe\u7f6e\u8868\u683c\u6c34\u5e73\u5bf9\u9f50\u65b9\u5f0f\u7684\u3002<code>Element.ALIGN_CENTER<\/code>\u6307\u5b9a\u4e86\u8868\u683c\u5e94\u5c45\u4e2d\u663e\u793a\u3002<\/p>\n<\/p>\n<p><h4>\u9ed8\u8ba4\u6837\u5f0f\u8bbe\u7f6e<\/h4>\n<\/p>\n<p><p>\u6709\u65f6\u8868\u683c\u5c45\u4e2d\u4e5f\u53ef\u80fd\u662f\u56e0\u4e3a\u4f7f\u7528\u4e86\u67d0\u4e2a\u5de5\u5177\u6216\u5e93\u7684\u9ed8\u8ba4\u6837\u5f0f\u3002\u5f88\u591a\u5e93\u5728\u672a\u8fdb\u884c\u4efb\u4f55\u914d\u7f6e\u65f6\u4f1a\u63d0\u4f9b\u4e00\u4e2a\u9ed8\u8ba4\u7684\u5c45\u4e2d\u7684\u8868\u683c\u6837\u5f0f\uff0c\u8fd9\u662f\u4e3a\u4e86\u8ba9\u6587\u6863\u770b\u8d77\u6765\u66f4\u52a0\u7f8e\u89c2\u548c\u6807\u51c6\u5316\u3002\u5982\u679c\u60a8\u6ca1\u6709\u6307\u5b9a\u5bf9\u9f50\u65b9\u5f0f\uff0c\u8868\u683c\u5c31\u53ef\u80fd\u91c7\u7528\u8fd9\u79cd\u9ed8\u8ba4\u7684\u5c45\u4e2d\u6837\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5982\u4f55\u8bbe\u7f6e\u8868\u683c\u5bf9\u9f50\u65b9\u5f0f<\/h3>\n<\/p>\n<p><p>\u5047\u8bbe\u60a8\u5e76\u4e0d\u5e0c\u671b\u8868\u683c\u5c45\u4e2d\uff0c\u800c\u662f\u60f3\u8981\u5de6\u5bf9\u9f50\u6216\u53f3\u5bf9\u9f50\uff0c\u90a3\u4e48\u60a8\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u660e\u786e\u5730\u8bbe\u7f6e\u5bf9\u9f50\u65b9\u5f0f\u3002\u4ee5\u4e0b\u5206\u522b\u5c55\u793a\u5982\u4f55\u8fdb\u884c\u5de6\u5bf9\u9f50\u548c\u53f3\u5bf9\u9f50\u7684\u8bbe\u7f6e\u3002<\/p>\n<\/p>\n<p><h4>\u5de6\u5bf9\u9f50\u8868\u683c<\/h4>\n<\/p>\n<p><pre><code class=\"language-java\">table.setHorizontalAlignment(Element.ALIGN_LEFT); \/\/ \u8bbe\u7f6e\u8868\u683c\u6c34\u5e73\u5de6\u5bf9\u9f50<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>Element.ALIGN_LEFT<\/code>\u53ef\u4ee5\u5c06\u8868\u683c\u8bbe\u7f6e\u4e3a\u9760\u5de6\u653e\u7f6e\u3002<\/p>\n<\/p>\n<p><h4>\u53f3\u5bf9\u9f50\u8868\u683c<\/h4>\n<\/p>\n<p><pre><code class=\"language-java\">table.setHorizontalAlignment(Element.ALIGN_RIGHT); \/\/ \u8bbe\u7f6e\u8868\u683c\u6c34\u5e73\u53f3\u5bf9\u9f50<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>Element.ALIGN_RIGHT<\/code>\u5c06\u8868\u683c\u8bbe\u7f6e\u4e3a\u9760\u53f3\u653e\u7f6e\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u8868\u683c\u6837\u5f0f\u4f18\u5316<\/h3>\n<\/p>\n<p><p>\u867d\u7136\u5c45\u4e2d\u662f\u4e00\u79cd\u5e38\u7528\u4e14\u8f83\u4e3a\u7f8e\u89c2\u7684\u5e03\u5c40\u65b9\u5f0f\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u60a8\u53ef\u80fd\u9700\u8981\u6839\u636e\u6587\u6863\u7684\u6574\u4f53\u5e03\u5c40\u548c\u8bbe\u8ba1\u8981\u6c42\u6765\u8c03\u6574\u8868\u683c\u7684\u4f4d\u7f6e\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u4f18\u5316\u8868\u683c\u6837\u5f0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n<p><h4>\u8bbe\u7f6e\u8fb9\u8ddd<\/h4>\n<\/p>\n<p><p>\u4e3a\u4e86\u63a7\u5236\u8868\u683c\u4e0e\u6587\u6863\u8fb9\u7f18\u6216\u8005\u5176\u4ed6\u9875\u9762\u5143\u7d20\u7684\u95f4\u8ddd\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u8bbe\u7f6e\u6765\u8c03\u6574\u8fb9\u8ddd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">table.setSpacingBefore(10f); \/\/ \u8bbe\u7f6e\u8868\u683c\u524d\u7684\u95f4\u8ddd<\/p>\n<p>table.setSpacingAfter(10f); \/\/ \u8bbe\u7f6e\u8868\u683c\u540e\u7684\u95f4\u8ddd<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8bbe\u7f6e<code>setSpacingBefore<\/code>\u548c<code>setSpacingAfter<\/code>\u53ef\u4ee5\u589e\u52a0\u8868\u683c\u524d\u540e\u7684\u7a7a\u767d\u95f4\u8ddd\u3002<\/p>\n<\/p>\n<p><h4>\u8c03\u6574\u5217\u5bbd<\/h4>\n<\/p>\n<p><p>\u6839\u636e\u5185\u5bb9\u8c03\u6574\u5217\u5bbd\u4e5f\u662f\u4f18\u5316\u8868\u683c\u5916\u89c2\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">float[] columnWidths = new float[]{2f, 1f, 1f};<\/p>\n<p>table.setWidths(columnWidths); \/\/ \u6839\u636e\u6570\u7ec4\u7684\u503c\u8bbe\u7f6e\u6bcf\u5217\u7684\u76f8\u5bf9\u5bbd\u5ea6<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4f7f\u7528<code>setWidths<\/code>\u65b9\u6cd5\u5e76\u4f20\u9012\u4e00\u4e2a\u6d6e\u70b9\u6570\u6570\u7ec4\u53ef\u4ee5\u5b9a\u4e49\u6bcf\u4e00\u5217\u7684\u76f8\u5bf9\u5bbd\u5ea6\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u8868\u683c\u5185\u5bb9\u683c\u5f0f\u5316<\/h3>\n<\/p>\n<p><p>\u8868\u683c\u5185\u5bb9\u7684\u683c\u5f0f\u5316\u662f\u63d0\u5347\u8868\u683c\u53ef\u8bfb\u6027\u7684\u5173\u952e\u3002\u8fd9\u6d89\u53ca\u5230\u5b57\u4f53\u3001\u5927\u5c0f\u3001\u989c\u8272\u7b49\u7684\u8bbe\u7f6e\u3002<\/p>\n<\/p>\n<p><h4>\u8bbe\u7f6e\u5b57\u4f53\u548c\u5927\u5c0f<\/h4>\n<\/p>\n<p><pre><code class=\"language-java\">Font font = new Font(Font.FontFamily.HELVETICA, 12, Font.BOLD); \/\/ \u521b\u5efa\u5b57\u4f53<\/p>\n<p>PdfPCell cell = new PdfPCell(new Phrase(&quot;\u8868\u5934&quot;, font)); \/\/ \u4f7f\u7528\u5b57\u4f53<\/p>\n<p>table.addCell(cell);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u521b\u5efa<code>Font<\/code>\u5bf9\u8c61\u5e76\u5c06\u5176\u5e94\u7528\u5230<code>Phrase<\/code>\u6216<code>Paragraph<\/code>\u4e2d\uff0c\u53ef\u4ee5\u5bf9\u8868\u683c\u4e2d\u7684\u6587\u5b57\u8fdb\u884c\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n<p><h4>\u6539\u53d8\u80cc\u666f\u8272<\/h4>\n<\/p>\n<p><pre><code class=\"language-java\">cell.setBackgroundColor(BaseColor.LIGHT_GRAY); \/\/ \u4e3a\u5355\u5143\u683c\u8bbe\u7f6e\u80cc\u666f\u8272<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>setBackgroundColor<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u6539\u53d8\u5355\u5143\u683c\u7684\u80cc\u666f\u8272\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u751f\u6210PDF\u6587\u6863<\/h3>\n<\/p>\n<p><p>\u6700\u540e\uff0c\u5728\u5b8c\u6574\u5730\u8bbe\u7f6e\u597d\u8868\u683c\u7684\u6837\u5f0f\u548c\u5185\u5bb9\u540e\uff0c\u60a8\u9700\u8981\u5c06\u8868\u683c\u6dfb\u52a0\u5230\u6587\u6863\u4e2d\uff0c\u5e76\u751f\u6210PDF\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-java\">Document document = new Document();<\/p>\n<p>PdfWriter.getInstance(document, new 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