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Ajax PHP jQuery图片截图上传

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Ajax PHP jQuery图片截图上传Ajax PHP jQuery图片截图上传 Ajax+PHP+jQuery图片截图上传 一、功能分析 用户直接上传图片,点击"上传"按钮之后,在图片预览图内可预览图片,然后进行图片的裁剪前预览,当点击"裁剪"按钮时确定裁剪图片,并在"裁剪结果"区域显示裁剪后的效果。 (说明:我是将上传文件保存在"/uploads"文件夹中,而截图结果放在"/avatar"文件夹里) 实现效果预览: 二、解决方案 1、插件的选择 , jQuery:这个是必备的一个插件可以到官网上下载 , imgAreSselect:这个是实现...
Ajax PHP jQuery图片截图上传
Ajax PHP jQuery图片截图上传 Ajax+PHP+jQuery图片截图上传 一、功能分析 用户直接上传图片,点击"上传"按钮之后,在图片预览图内可预览图片,然后进行图片的裁剪前预览,当点击"裁剪"按钮时确定裁剪图片,并在"裁剪结果"区域显示裁剪后的效果。 (说明:我是将上传文件保存在"/uploads"文件夹中,而截图结果放在"/avatar"文件夹里) 实现效果预览: 二、解决 1、插件的选择 , jQuery:这个是必备的一个插件可以到官网上下载 , imgAreSselect:这个是实现客户端上图片区域选择的 , uploadify:实现文件的上传的功能,支持多文件上传,且可定制性非常 强。 上面的插件是用在客户端上,其实在我这个程序里写PHP时也用了一些插件。其实我之所以写"图像剪裁上传"的起源是因为我看了《PHP快速开发工具箱》想自己练习一下的。该书是有一个网址(),里面有整本书的代码,而且每个插件都相应的demo,非常不错。下面是用到的PHP插件: , PIPHP_UploadFile.php:这是一个文件上传功能的php文件 , PIPHP_ImageCrop.php:这个php文件是具有对图片进行裁剪的功能 、客户端与服务器之间的交互图 angle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shangwa 60%, Xia WA 70%. Check the pump for thin-walled tile Assembly shall meet the following requirements: bearing and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following requirements: pressure filling when sealing, packing ring interfaces should be cut into 45-degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should be uniformly distributed along the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, shall conform to the requirements in table 3-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading 为了便于理解,我先把交互图放在这里。其中绿色部分是客户端的主要步骤、粉红色是服务器端的主要步骤,服务器与客户端之间的交互通过AJAX完成。可以发现,大部分的操作在客户端进行,服务器端与客户端之间的交流只是简单的JSON数据,因此这样给用户的体验是非常高的。 be uniformly distributed along the circumference of degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-: pressure filling when sealing, packing ring interfaces should be cut into 45mentsthe technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following require , generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply withfiedshould comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly quali pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle shelllose to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... C walled tile Assembly shall meet the following requirements: bearing and shaft contact-ngwa 60%, Xia WA 70%. Check the pump for thiner. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shaangle of 150 ? w undformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted de0~0.sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.1 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and 16-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-ll conform to the requirements in table 3the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, sha 2 degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-llowing requirements: pressure filling when sealing, packing ring interfaces should be cut into 45the foy should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to l assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial plahe seasion and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, t, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tenshellnot allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner ng and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generallywalled tile Assembly shall meet the following requirements: beari-he contact rate, shangwa 60%, Xia WA 70%. Check the pump for thinangle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of teloadingng, prl not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealid filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shaland sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland an16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring -uid pipe. Table 316, packing after pressing, packing ring into the liquid and the liq-re no provisions, shall conform to the requirements in table 3the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there abe uniformly distributed along 3 截图 1 客户端与服务器之间交互图 3、客户端文件 展示给用户的是html页面,为了学习并巩固CSS知识,就和DIV+CSS搭建了下面这样一个前台页面,见截图 2。 截图 2 前台页面 跟客户端有关的文件主要是一个index.html,而在这个文件里面会引用其他的插件文件,因此可以说,客户端方面只有一个html文件。 另外,由于这里主要讨论客户端与浏览器之间的交互,因此略过CSS方面的内容。这里只列出HTML的代码,首先是部分: -: pressure filling when sealing, packing ring interfaces should be cut into 45mentsthe technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following require , generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply withfiedshould comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly quali pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle shelllose to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... C walled tile Assembly shall meet the following requirements: bearing and shaft contact-ngwa 60%, Xia WA 70%. Check the pump for thiner. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shaangle of 150 ? w undformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted de0~0.sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.1 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and 16-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-ll conform to the requirements in table 3the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, sha be uniformly distributed along the circumference of degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should4 图片剪切上传 可以看得出来主要是引用一些插件的文件。上面的文件(包括CSS文件与js文件)都可以从我给的链接里下载到,只是样式表layout.css是我自己写的样式表,大家可以根据自己的CSS知识写出。 接下来是body部分,也许这么看代码比较乱,推荐使用一些带有高亮显示的工具来查看这些代码,比如DreamWeaver等IDE,实在不行,也可以用火狐的"查看源代码"来看。(火狐不仅是一个好浏览器,更是一个极棒的调试器~) 为了方便起见,我去掉诸如"导航条"、页脚版权声明等点缀部分,只给出必要的html代码。
图片上传

16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring -uid pipe. Table 316, packing after pressing, packing ring into the liquid and the liq-re no provisions, shall conform to the requirements in table 3the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there abe uniformly distributed along degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-llowing requirements: pressure filling when sealing, packing ring interfaces should be cut into 45the foy should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to l assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial plahe seasion and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, t, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tenshellnot allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner ng and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generallywalled tile Assembly shall meet the following requirements: beari-he contact rate, shangwa 60%, Xia WA 70%. Check the pump for thinangle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of teloadingng, prl not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealid filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shaland sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland an5 上传图片

图片预览

裁剪结果:
裁剪预览:
mentsthe technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following require , generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply withfiedshould comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly quali pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle shelllose to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... C walled tile Assembly shall meet the following requirements: bearing and shaft contact-ngwa 60%, Xia WA 70%. Check the pump for thiner. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shaangle of 150 ? w undformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted de0~0.sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.1 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and 16-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-ll conform to the requirements in table 3the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, sha be uniformly distributed along the circumference of degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-: pressure filling when sealing, packing ring interfaces should be cut into 456
上面我用颜色区分开主要DIV区,这三块分别代表"上传图片区"、"大图展示区"、"截图结果区"与"选择预览区"。其中三个粗体部分是带有ID属性的空DIV,用来放图片用的。(到时时候动态加载图片到这些DIV中),因此这段代码形成的HTML框架如截图 2所示。(蓝色线条是block元素边界,此效果较是由火狐的插件制作而成): 截图 3 页面大体框架 基本的准备工作已经完成,待会儿再继续在这个框架上添加代码。咱们先介绍一下服务器上的PHP是怎么个情况。 4、服务器文件 服务器上主要用到两个PHP文件,一个用来处理上传图片的process.php,另外一个则是处理图片截图用的crop.php。不过,process.php文件包括插件PIPHP_UploadFile.php,而crop.php中包括PIPHP_ImageCrop.php插件。(这些插件的地址我在上面已经给出了) -uid pipe. Table 316, packing after pressing, packing ring into the liquid and the liq-re no provisions, shall conform to the requirements in table 3the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there abe uniformly distributed along degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-llowing requirements: pressure filling when sealing, packing ring interfaces should be cut into 45the foy should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to l assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial plahe seasion and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, t, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tenshellnot allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner ng and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generallywalled tile Assembly shall meet the following requirements: beari-he contact rate, shangwa 60%, Xia WA 70%. Check the pump for thinangle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of teloadingng, prl not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealid filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shaland sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland an16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring 7 ,,,,,,, process.php主要接收上传图片,设置限制(比如文件的大小与格式),处理一些上传错误等,最后返回给客户端JSON,里面包含了所上传文件的一些信息(比如路径、大小等);当在客户端点击"上传"按钮的时候,会用异步(AJAX)的方式调用这个php文件。 ,,,,,,, crop.php主要负责真正裁剪上传的图片,当在客户端返回裁剪的位置后(点击"裁剪"按钮后),以异步方式将数据以JSON的方式传递给服务器,crop.php真正裁剪图片后,将图片另存到网络的目录下,同时返回此图片的存储路径,然后再让客户端显示图片即可 三、用到的技术摘要 上面的交互图继续完善代码。因此我这节会交叉地完善html、js与php现在根据 代码,并不会单独分开完善,这样在逻辑上会更好理解。 声明:新增的代码部分用粗体表示 ,、uploadify上传 在html的head部分加入 … 上面的代码只是uploadify这一个插件的配置项而已。为了增强用户体验可以详细配置其他选项,这参考这个插件的官方文档: 。上面的'script'选项就是选择服务器的处理脚本,我们这里就使用process.php了。上传文件到服务器后会让服务器自动调用这个程序。那么客户端怎么知道服务器的process.php调用完了呢,如何获取process.php反馈回来的信息呢,——其实uploadify它提供了一个"触发"选项onComplete,就是用来处理服务器的反馈信息的,我们稍后再写这个选项的内容,先看看process.php是返回哪些内容的呢。 ,、process.php反馈上传信息 process.php的任务就是给浏览器返回JSON数据(至于什么是JSON请参考其它教程,把JSON想像成"键/值"对就可以了,它很方便数据的传输与读取)。在PHP里,一般是先把数据整理成数组的形式,然后使用json_encode()把数据转换成JSON。那process.php应该给浏览器返回什么样的数据呢, , 文件是否成功上传 -> message , 文件的上传状态代码 -> code , 文件上传的存放路径 -> path , 图片的宽度 -> width , 图片的高度 -> height , 图片的缩放比例 -> scale , 图片的名称 -> name 其中之所以设置图片的缩放比例scale,是因为如果用户上传的图片尺寸太大(比如800x,00),浏览器中的DIV会被"撑开",布局会被打乱。因此我们限定在浏览器显示图片的时候任何一边长不能超过400px,否则在显示的时候以等比例缩放。(比如上面的800x800的图上会显示成400x400的,然后浏览器同时设置scale为0.5)。 re no provisions, shall conform to the requirements in table 3the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there abe uniformly distributed along degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-llowing requirements: pressure filling when sealing, packing ring interfaces should be cut into 45the foy should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to l assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial plahe seasion and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, t, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tenshellnot allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner ng and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generallywalled tile Assembly shall meet the following requirements: beari-he contact rate, shangwa 60%, Xia WA 70%. Check the pump for thinangle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of teloadingng, prl not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealid filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shaland sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland an16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring -uid pipe. Table 316, packing after pressing, packing ring into the liquid and the liq-9 另外,这个php文件是调用了PIPHP_UploadFile.php这个插件,用来将上传的文件进行"鉴别"与"搬移"。 下面是process.php的程序: '未知上传错误', 'path'=>'', 'code'=>-4, //上传结果代码,0表示成功,,1表示失败 'width'=>100, 'height'=>100, 'scale'=>1, //比例尺 'name'=>'' ); if (!empty($_FILES)) { $name='picture'; $uploadFile='uploads/'; $maxLen=9*1024*1024; $result=PIPHP_UploadFile($name,$uploadFile,$maxLen); $response['code']=$result[0]; //简单汇报成功情况 degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-: pressure filling when sealing, packing ring interfaces should be cut into 45mentsthe technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following require , generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply withfiedshould comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly quali pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle shelllose to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... C walled tile Assembly shall meet the following requirements: bearing and shaft contact-ngwa 60%, Xia WA 70%. Check the pump for thiner. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shaangle of 150 ? w undformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted de0~0.sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.1 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and 16-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-ll conform to the requirements in table 3the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, sha be uniformly distributed along the circumference of10 if($result[0]==0) { $response['message']='上传成功~'; //$response['message']=$result[2]; $response['path']=$result[1]; $response['name']=$result[2]; //获取图像的高度与宽度 $fileName=iconv("utf-8","gb2312",$result[2]); list($width,$height)=getimagesize($_SERVER['DOCUMENT_ROOT'].$uploadFi le.$fileName); $response['width']=$width; $response['height']=$height; } else { switch($result[0]) { case -1: $response['message']="上传失败"; break; case -2: $response['message']="文件类型错误";break; case -3: $response['message']="文件大小超过限制";break; default: $response['message']="错误代码:$result[0]"; degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-llowing requirements: pressure filling when sealing, packing ring interfaces should be cut into 45the foy should comply with the technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to l assembly qualified, generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial plahe seasion and spiral angle should comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, t, shell double shell pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tenshellnot allowed to ... Close to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner ng and shaft contact clearance and access should be guaranteed by the machining precision, the contact surfaces are generallywalled tile Assembly shall meet the following requirements: beari-he contact rate, shangwa 60%, Xia WA 70%. Check the pump for thinangle of 150 ? w under. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of teloadingng, prl not has twisted deformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealid filler box 0.10~0.30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shaland sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland an16 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring -uid pipe. Table 316, packing after pressing, packing ring into the liquid and the liq-re no provisions, shall conform to the requirements in table 3the circumference of the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there abe uniformly distributed along 11 } } } else{ $response['message']="上传文件出现错误~"."
"; } $json_str=json_encode($response); echo $json_str; ?> 其实这个程序因为有了if判断语句而显示有点大,其实逻辑还是挺简单的。无论如何,这个程序返回的我上面说的有关图片的上传信息(放在$json_str这变量里了) 16-16, packing after pressing, packing ring into the liquid and the liquid pipe. Table 3-ll conform to the requirements in table 3the gland. Assembling axial total gap filler seal shall conform to the technical documents, if there are no provisions, sha be uniformly distributed along the circumference of degree angle, the interface between two rings should be staggered 90 ?, filler rings should not be too tight, pressure should-: pressure filling when sealing, packing ring interfaces should be cut into 45mentsthe technical provisions of the. 3.8.3.2 Assembly seal if necessary, should be carried out according to the following require , generally without disassembly, but to move the rotor, the rotor should be flexible, the rotor axial play should comply withfiedshould comply with the design requirements. 3.8.3 seal Assembly 3.8.3.1 overall delivery of the pump, the seal assembly quali pump Assembly should be according to the provisions of the technical file; two top bolts tighten the tension and spiral angle shelllose to case, the width of the impeller outlet should be within the width guide vanes. 3.8.2.5 the inner shell, shell double clearance and access should be guaranteed by the machining precision, the contact surfaces are generally not allowed to ... C walled tile Assembly shall meet the following requirements: bearing and shaft contact-ngwa 60%, Xia WA 70%. Check the pump for thiner. When grease lubrication, w on contact angle 120 ?, contact angle of 140 ? w under. Contact angle of the contact rate, shaangle of 150 ? w undformation and injury, and right select pre pressure volume. When used with a fixed flange seals and sealing, preloading30 5 bottom ring Shi end of ring and sleeve 0.70~1.00 with "o" type sealed circle Shi, sealed circle shall not has twisted de0~0.sleeve 1.00~1.50 2 filler ring and filler box 0.15~0.20 3 filler gland and sleeve 0.75~1.00 4 filler gland and filler box 0.1 group filling material sealed of requirements serial number assembled pieces name radial total clearance mm 1 filler ring and 12
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