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by-custom-page-ranges.md",{"type":187,"value":188,"toc":427},"minimark",[189,193,202,207,210,213,221,275,278,282,285,313,324,330,333,337,340,347,362,368,371,375,378,404,411,414,418,421,424],[190,191,192],"p",{},"一份资料里有封面、正文和附件，发送时只需要其中两段，而且两段页数不同。例如第 2～3 页要单独发一份，第 5～7 页另发一份，第 1 页和第 4 页不需要。这种情况适合按指定页码拆分 PDF，用两组范围分别保存。",[190,194,195,196,201],{},"打开图文工具箱的",[197,198,200],"a",{"href":199},"https:\u002F\u002Fimgtool.net\u002Fpdfsplit\u002F","PDF拆分工具","，点击“添加文件”，选择一个 PDF。读取完成后，页面会显示文件名和总页数，并出现“自定义范围”和“固定范围”两个标签。本次使用“自定义范围”。",[203,204,206],"h2",{"id":205},"先确认页码再填写拆分范围","先确认页码，再填写拆分范围",[190,208,209],{},"这里的页码是 PDF 中从第一页开始数的位置。封面也算一页；正文上印着的“第 1 页”，可能已经是文件的第 3 页。当前拆分页面没有逐页预览，应先在 PDF 阅读器中找到各段的起止位置，记下实际页序，再回来填写。",[190,211,212],{},"如果想把 PDF 按章节拆分，也要先人工确认每章从哪页开始、到哪页结束。工具不会识别目录或章节标题，不能替你判断章节边界。",[190,214,215,216,220],{},"下面以非敏感的 7 页旅行资料测试文件 ",[217,218,219],"code",{},"a4-seven-pages.pdf"," 演示，两组范围设置为：",[222,223,224,243],"table",{},[225,226,227],"thead",{},[228,229,230,234,237,240],"tr",{},[231,232,233],"th",{},"要保存的部分",[231,235,236],{},"“从”填写",[231,238,239],{},"“到”填写",[231,241,242],{},"这份结果应有的页数",[244,245,246,261],"tbody",{},[228,247,248,252,255,258],{},[249,250,251],"td",{},"原第 2～3 页",[249,253,254],{},"2",[249,256,257],{},"3",[249,259,260],{},"2 页",[228,262,263,266,269,272],{},[249,264,265],{},"原第 5～7 页",[249,267,268],{},"5",[249,270,271],{},"7",[249,273,274],{},"3 页",[190,276,277],{},"起止页都包含在结果里，所以第 2～3 页是两页。只想单独保存某一页时，把“从”和“到”设成同一个页码即可。",[203,279,281],{"id":280},"先改第一组再点添加范围","先改第一组，再点“添加范围”",[190,283,284],{},"文件读取后，第一组默认覆盖第 1 页到最后一页。不要直接保留这组再往下添加，否则会额外导出一份包含全部页面的 PDF。",[286,287,288,299,302,310],"ol",{},[289,290,291,292,295,296,298],"li",{},"把第一组的“从”改为 ",[293,294,254],"strong",{},"，“到”改为 ",[293,297,257],{},"。",[289,300,301],{},"点击“添加范围”。新一组的起始页会接在上一组结束页之后，本例先出现第 4 页到第 7 页。",[289,303,304,305,307,308,298],{},"把第二组的“从”改为 ",[293,306,268],{},"，“到”保留 ",[293,309,271],{},[289,311,312],{},"逐行检查，只留下需要的两组；多余的一组用右侧“删除范围”移除。",[190,314,318,319],{"className":315},[316,317],"flex","justify-center","\n  ",[320,321],"img",{"src":322,"alt":323},"\u002Fimage\u002F2026\u002Fpdf-split-custom-page-ranges.webp","PDF拆分工具读取7页文件，在自定义范围中分别填写从2到3和从5到7两组页码",[190,325,326,329],{},[293,327,328],{},"每一组范围生成一份独立 PDF。"," 上图会得到两份文件，不会把第 2～3 页和第 5～7 页拼成同一份。若你的目标是把几段不连续页面合成一个 PDF，需要使用相应的页面提取或合并功能。",[190,331,332],{},"范围之间也不必首尾相接。本例没有选择的第 1 页和第 4 页不会出现在这两份结果中。若想完整地按章节分发整本资料，则应检查各组之间是否有空缺或重叠：例如上一组到第 3 页、下一组又从第 3 页开始，就会把这一页放进两份文件。",[203,334,336],{"id":335},"为什么有时下载pdf有时下载zip","为什么有时下载PDF，有时下载ZIP？",[190,338,339],{},"确认范围后点击“开始处理”。若出现验证提示，按页面提示完成后再次点击处理按钮，等待浏览器下载。",[190,341,342,343,346],{},"输出形式取决于生成的文件数量：只有一组范围时直接下载 PDF；有多组范围时，下载包含各份 PDF 的 ZIP 压缩包。本例实际下载的是 ",[217,344,345],{},"a4-seven-pages.zip","，解压后得到：",[348,349,350,356],"ul",{},[289,351,352,355],{},[217,353,354],{},"a4-seven-pages_2-3.pdf","：2 页，对应原文件第 2、3 页。",[289,357,358,361],{},[217,359,360],{},"a4-seven-pages_5-7.pdf","：3 页，对应原文件第 5、6、7 页。",[190,363,364,365,367],{},"文件名中的数字表示原文件的页码范围。随后删除第二组、只保留第 2～3 页再次处理，实际直接下载的是 ",[217,366,354],{},"。因此，看到 PDF 而不是 ZIP，不代表拆分失败。",[190,369,370],{},"页面使用说明将下载结果统称为 ZIP，但当前实际行为有上述区别。浏览器若询问保存位置，按提示选择即可；否则可到浏览器的下载列表查找刚生成的文件。",[203,372,374],{"id":373},"检查选中的页面不必凑回原文件总页数","检查选中的页面，不必凑回原文件总页数",[190,376,377],{},"下载后先解压 ZIP，再用 PDF 阅读器逐份打开。不能只看文件名正确就直接转发，至少确认下面几项：",[348,379,380,386,392,398],{},[289,381,382,385],{},[293,383,384],{},"文件数量","：本例两组范围对应两份 PDF。",[289,387,388,391],{},[293,389,390],{},"各份页数","：分别是 2 页和 3 页，可用“结束页－起始页＋1”核对。",[289,393,394,397],{},[293,395,396],{},"边界内容","：第一份是否确实从原第 2 页开始、到原第 3 页结束；第二份是否保留了原第 7 页。",[289,399,400,403],{},[293,401,402],{},"页面显示","：文字、图片是否完整，页面顺序是否符合预期，有没有空白页或明显裁切。",[190,405,406,407,410],{},"本例的结果合计是 ",[293,408,409],{},"5 页","，不是原件的 7 页，因为第 1 页和第 4 页本来就没有选择。只有计划完整拆开原件、且范围不重叠时，各份页数相加才应等于原总页数。",[190,412,413],{},"这次验证中，两份 PDF 以及单独下载的第 2～3 页文件，页数和页序均符合设置；逐页提取的文字、渲染后的画面也与原文件对应页一致。这能说明本次样例拆分正确，其他文件仍应在下载后检查。",[203,415,417],{"id":416},"哪些情况需要换一种处理方式","哪些情况需要换一种处理方式？",[190,419,420],{},"“自定义范围”适合按已知页码分出不同长度的部分。如果每份都要相同页数，可以改用“固定范围”，无需逐组填写。两种模式都按页面拆分，不能按文件体积精确切成“每份不超过 5 MB”，也不提供正文编辑、OCR 或页面内局部裁剪。",[190,422,423],{},"网页版一次选择一个 PDF，不能同时加入多个 PDF 批量拆分。文件还在压缩包里时，应先解压；加密、损坏或无法解析的 PDF 可能无法读取，当前页面没有输入 PDF 密码的入口。",[190,425,426],{},"工具通过浏览器读取 PDF 并生成新文件，文件较大时需要相应的内存和处理时间，完成下载前不要关闭页面。保留原件，确认下载副本的内容后，再按用途改名和发送。",{"title":428,"searchDepth":429,"depth":429,"links":430},"",2,[431,432,433,434,435],{"id":205,"depth":429,"text":206},{"id":280,"depth":429,"text":281},{"id":335,"depth":429,"text":336},{"id":373,"depth":429,"text":374},{"id":416,"depth":429,"text":417},"pdfsplit","只想把PDF第2～3页和第5～7页分别发给别人，怎样避免多带封面或漏掉末页？本文说明自定义范围的填写顺序、每组范围对应的文件、PDF与ZIP下载区别，以及拆分后的核对方法。","md",{},true,"2026-10-15",{"title":9,"description":437},"blog\u002Fsplit-pdf-by-custom-page-ranges","kBcaeUG8_3haiaehItuzD2Sv-grZPnCfQSFw_RbbtkY",{"previous":446,"next":447},{"path":5,"title":6,"published":441},null,1792044811154]