59 lines
3.0 KiB
Plaintext
59 lines
3.0 KiB
Plaintext
%% MESCommonBase.ashx 主流程图
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flowchart TD
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START([HTTP 请求<br/>MES_Manage/submit/MESCommonBase.ashx])
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READ[ProcessRequest<br/>设置 ContentType=application/json<br/>读取 Request.InputStream]
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PARSE1[JsonMapper.ToObject(stream)<br/>尝试读取 Type / type]
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PARSE2[JavaScriptSerializer.Deserialize<jsonobj>(stream)<br/>成功后用 dataobj.Type 覆盖 type]
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PARAM{dataobj == null?}
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PARAMYES[读取 Request["param"]<br/>再次按 JSON 解析 Type / type]
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SWITCH{switch(type)}
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START --> READ --> PARSE1 --> PARSE2 --> PARAM
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PARAM -->|是| PARAMYES --> SWITCH
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PARAM -->|否| SWITCH
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SWITCH -->|2001| T2001[Excel 导出<br/>ExcelWebCall.ExcelFile(jsonData)<br/>生成 bytes/fileName/extension]
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SWITCH -->|2002| T2002[PDF 导出<br/>ExcelWebCall.ExcelFilePdf(jsonData)<br/>Excel 转 PDF]
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SWITCH -->|2003| T2003[合成 Excel 图片/指定扩展名导出<br/>读取 Form 第一项 dataimg[0]<br/>ExcelWebCall.ExcelFile(jsonData)]
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SWITCH -->|2004| T2004[数据库文件下载<br/>DataLink.ExePROCEDURE_Type2004(jsonData)<br/>返回 bytes/fileName/fileExtension]
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SWITCH -->|15| T15[文件上传<br/>读取 Request.Files[0]<br/>拆分 name/suffix/bytes<br/>DataLink.ExePROCEDURE_Type15]
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SWITCH -->|16| T16[数据库文件下载<br/>DataLink.ExePROCEDURE_Type16(jsonData)<br/>返回 fileName/suffix/bytes]
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SWITCH -->|4000| T4000[IP 查询<br/>读取 ServerVariables / UserHostAddress]
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SWITCH -->|default| DEFAULT[通用业务调用<br/>DataLink.SqlWebCall(type,jsonData,dataobj)]
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T2001 --> DOWNLOAD[二进制下载响应<br/>Content-Type=application/octet-stream<br/>Content-Disposition=attachment<br/>BinaryWrite + Flush/End]
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T2002 --> DOWNLOAD
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T2003 --> DOWNLOAD
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T2004 --> DOWNLOAD
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T16 --> BYTESNULL{bytes == null?}
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BYTESNULL -->|是| RETURNEMPTY[直接 return<br/>不写响应体]
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BYTESNULL -->|否| DOWNLOAD
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T15 --> JSONRESP[JSON 文本响应<br/>Response.Write(responseText)]
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T4000 --> IPRESP[文本响应<br/>Response.Write(userIP)]
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DEFAULT --> SQLWEB
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subgraph SQLWEB[DataLink.SqlWebCall 默认分支]
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S1[初始化连接<br/>InitSystemReg 读取 Web.config: ConnectionString]
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S2{按 type 再分发}
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S3[登录/加密<br/>8888: GetEncryptStr<br/>5001: AddUser/改密<br/>5002: Login/生成 token]
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S4[旧协议存储过程<br/>1/2/5<br/>Param 为拼接字符串]
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S5[新协议存储过程<br/>11/111/12/13/21<br/>Param 为 JSON 数组字符串]
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S6[直接 SQL / 导入<br/>1001/1002/3/4/7/22/3001]
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S7[返回 JSON<br/>数组 JSON 或 {code,message,data}]
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S1 --> S2
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S2 --> S3 --> S7
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S2 --> S4 --> S7
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S2 --> S5 --> S7
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S2 --> S6 --> S7
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end
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SQLWEB --> JSONRESP
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DOWNLOAD --> END([请求结束])
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JSONRESP --> END
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IPRESP --> END
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RETURNEMPTY --> END
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READ -. 外层 try/catch：异常被吞掉，写出当前 responseText，初始为 NULL .-> CATCH[异常处理<br/>catch(Exception err)<br/>Response.Write(responseText)]
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CATCH --> END
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