{"id":41786,"date":"2023-11-04T18:31:49","date_gmt":"2023-07-23T05:23:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8postgresql%e4%b8%ad%e4%bd%bf%e7%94%a8%e3%80%90sap-btp%e3%80%91cap%e7%9a%84api%ef%bc%88java%ef%bc%89%e3%80%82\/"},"modified":"2024-05-04T07:31:46","modified_gmt":"2024-05-03T23:31:46","slug":"%e5%b0%9d%e8%af%95%e5%9c%a8postgresql%e4%b8%ad%e4%bd%bf%e7%94%a8%e3%80%90sap-btp%e3%80%91cap%e7%9a%84api%ef%bc%88java%ef%bc%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e5%9c%a8postgresql%e4%b8%ad%e4%bd%bf%e7%94%a8%e3%80%90sap-btp%e3%80%91cap%e7%9a%84api%ef%bc%88java%ef%bc%89%e3%80%82\/","title":{"rendered":"\u5c1d\u8bd5\u5728PostgreSQL\u4e2d\u4f7f\u7528\u3010SAP BTP\u3011CAP\u7684API\uff08Java\uff09"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u4f7f\u7528SAP Cloud Application Programming Model (CAP) \u521b\u5efa\u4e86\u4e0eHANA DB\u96c6\u6210\u7684OData API\uff08Java\uff09\u3002<br \/>\n\u867d\u7136\u5728Trial\u73af\u5883\u4e2d\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528HANA DB\uff0c\u4f46\u5982\u679c\u8d2d\u4e70\u5e76\u4f7f\u7528\u5b83\u53ef\u80fd\u4f1a\u6210\u672c\u8f83\u9ad8\u3002<br \/>\n\u5982\u679c\u4e0d\u9700\u8981\u50cfHANA DB\u90a3\u6837\u7684\u89c4\u683c\u8981\u6c42\uff0cBTP\u73af\u5883\u4e2d\u8fd8\u6709\u5176\u4ed6\u9009\u62e9\uff0c\u4f8b\u5982PostgreSQL\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u5c1d\u8bd5\u4e86\u4e00\u79cd\u4f7f\u7528Java\u521b\u5efa\u7684CAP API\uff0c\u4f7f\u5176\u5728PostgreSQL\u4e2d\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7684\u65b9\u6cd5\u3002<\/p>\n<h1>\u5148\u51b3\u6761\u4ef6<\/h1>\n<p>\u524d\u63d0\u662f\u4f7f\u7528Java CAP Service SDK\u521b\u5efa\u4e86\u4e00\u4e2aOData API\u3002<br \/>\n\u3010\u53c2\u8003\u3011<br \/>\n\u3010SAP BTP\u3011\u5c1d\u8bd5\u4f7f\u7528Java CAP Service SDK\u521b\u5efaOData API(2)<\/p>\n<h1>\u521b\u5efa\u4e00\u4e2aPostgreSQL\u5b9e\u4f8b\u3002<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/5-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/6-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/7-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/8-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/9-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/10-0.png\" alt=\"image.png\" \/><\/div>\n<h1>\u8bbf\u95eePostgreSQL\u6570\u636e\u5e93<\/h1>\n<p>\u9274\u4e8e\u6211\u4e0d\u592a\u4e86\u89e3\u5982\u4f55\u8bbf\u95eePostgreSQL\uff0c\u4ee5\u4e3a\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7VSCode\u7684\u6269\u5c55\u529f\u80fd\u6765\u8bbf\u95ee\uff0c\u4f46\u5b9e\u9645\u60c5\u51b5\u4f3c\u4e4e\u5e76\u975e\u5982\u6b64\uff0c\u56e0\u6b64\u6211\u5c06\u6839\u636e\u5b98\u65b9\u6587\u6863\u7684\u8bf4\u660e\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<p>\u6211\u5011\u5c07\u5f9e\u672c\u5730\u900f\u904e\u547d\u4ee4\u884c\u9032\u884c\u9023\u63a5\u3002\uff08\u6587\u7ae0\u7684\u74b0\u5883\u662fWSL\u7684Ubuntu\u3002\uff09<br \/>\n\u4f7f\u7528cf cli\u767b\u9304\u5230\u74b0\u5883\u4e2d\uff0c\u9996\u5148\u78ba\u8a8d\u7a7a\u9593\u5141\u8a31SSH\u8a2a\u554f\u3002<\/p>\n<pre class=\"post-pre\"><code>$ cf login\r\n$ cf allow-space-ssh dev\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/15-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u542f\u7528\u5df2\u90e8\u7f72\u7684Java\u5e94\u7528\u7a0b\u5e8f\uff08capCustom_api\uff09\u7684SSH\u8fde\u63a5\u3002<br \/>\n\uff08\u542f\u7528\u540e\u6700\u597d\u91cd\u65b0\u542f\u52a8\u4e00\u6b21\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code>$ cf enable-ssh capCustom_api\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/18-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6839\u636e\u5bf9SSH\u8fde\u63a5\u96a7\u9053\u8fdb\u884c\u7aef\u53e3\u8f6c\u53d1\u7684Java\u5e94\u7528\u7a0b\u5e8f\uff08capCustom_api\uff09\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u7a7a\u95f2\u7684\u672c\u5730\u7aef\u53e3\uff0863306\uff09\u8fdb\u884cSSH\u8fde\u63a5\u3002<br \/>\n\uff08PostgreSQL\u7684\u4e3b\u673a\u548c\u7aef\u53e3\u8bbe\u7f6e\u5c06\u4eceService Binding\u521b\u5efa\u65f6\u53ef\u4ee5\u786e\u8ba4\u7684\u51ed\u636e\u5185\u5bb9\u4e2d\u8fdb\u884c\u914d\u7f6e\u3002\uff09<\/p>\n<pre class=\"post-pre\"><code>$ cf ssh -L 63306:&lt;PostgreSQL\u306e\u30db\u30b9\u30c8&gt;:&lt;PostgreSQL\u306e\u30dd\u30fc\u30c8&gt; capCustom_api\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/21-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/22-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u8fde\u63a5\u8bbe\u7f6e\u5982\u4e0b\u3002<\/p>\n<div>\n<div class=\"post-table\">\u9805\u76ee\u5024DB\u306eHOSTlocalhostDB\u306eUser\u203bCredentials\u306b\u8a18\u8f09\u30d1\u30b9\u30ef\u30fc\u30c9\u203bCredentials\u306b\u8a18\u8f09DB\u306ePort63306(cf ssh\u306e\u6307\u5b9a\u5024)<\/div>\n<\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/25-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u521b\u5efa\u8868\u683c\u548c\u6d4b\u8bd5\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>CREATE TABLE demo_Users (\r\n  ID INTEGER NOT NULL,\r\n  FirstName VARCHAR(100),\r\n  LastName VARCHAR(100),\r\n  Age INTEGER,\r\n  createdAt TIMESTAMP,\r\n  createdBy VARCHAR(255),\r\n  modifiedAt TIMESTAMP,\r\n  modifiedBy VARCHAR(255),\r\n  PRIMARY KEY(ID)\r\n);\r\n\r\nCREATE VIEW UserService_Users AS SELECT\r\n  Users_0.createdAt,\r\n  Users_0.createdBy,\r\n  Users_0.modifiedAt,\r\n  Users_0.modifiedBy,\r\n  Users_0.ID,\r\n  Users_0.FirstName,\r\n  Users_0.LastName,\r\n  Users_0.Age\r\nFROM demo_Users AS Users_0;\r\n\r\nINSERT INTO demo_Users VALUES(\r\n\t1\/*ID &lt;INTEGER&gt;*\/,\r\n\t'Postgre'\/*FIRSTNAME &lt;NVARCHAR(100)&gt;*\/,\r\n\t'\u592a\u90ce'\/*LASTNAME &lt;NVARCHAR(100)&gt;*\/,\r\n\t49\/*AGE &lt;INTEGER&gt;*\/,\r\n\tDEFAULT\/*CREATEDAT &lt;TIMESTAMP&gt;*\/,\r\n\t'PostgreSQL DB'\/*CREATEDBY &lt;NVARCHAR(255)&gt;*\/,\r\n\tDEFAULT\/*MODIFIEDAT &lt;TIMESTAMP&gt;*\/,\r\n\t'PostgreSQL DB'\/*MODIFIEDBY &lt;NVARCHAR(255)&gt;*\/\r\n);\r\nINSERT INTO demo_Users VALUES(\r\n\t2\/*ID &lt;INTEGER&gt;*\/,\r\n\t'Postgre'\/*FIRSTNAME &lt;NVARCHAR(100)&gt;*\/,\r\n\t'\u6b21\u90ce'\/*LASTNAME &lt;NVARCHAR(100)&gt;*\/,\r\n\t120\/*AGE &lt;INTEGER&gt;*\/,\r\n\tDEFAULT\/*CREATEDAT &lt;TIMESTAMP&gt;*\/,\r\n\t'PostgreSQL DB'\/*CREATEDBY &lt;NVARCHAR(255)&gt;*\/,\r\n\tDEFAULT\/*MODIFIEDAT &lt;TIMESTAMP&gt;*\/,\r\n\t'PostgreSQL DB'\/*MODIFIEDBY &lt;NVARCHAR(255)&gt;*\/\r\n);\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/28-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6211\u5011\u5df2\u7d93\u5b8c\u6210\u4e86\u8cc7\u6599\u5eab\u7684\u6e96\u5099\u5de5\u4f5c\u3002<\/p>\n<h1>\u66f4\u6539CAP API\u7684\u8fde\u63a5\u6570\u636e\u5e93\u3002<\/h1>\n<p>\u56e0\u4e3a\u76ee\u524d\u9700\u8981\u6bcf\u6b21\u90e8\u7f72CAP API\u65f6\u90fd\u8981\u66f4\u6539Service Binding\uff0c\u6240\u4ee5\u9700\u8981\u7f16\u8f91MTA\u7684mta.yaml\u6587\u4ef6\u6765\u6539\u53d8\u5e94\u7528\u7a0b\u5e8f\u7684\u8fde\u63a5\u76ee\u6807\u3002<\/p>\n<p>\u5728\u8d44\u6e90\u4e2d\u6dfb\u52a0PostgreSQL\u670d\u52a1\uff0c\u53d6\u4ee3\u5148\u524d\u7684HANA DB\uff0c\u5e76\u5c06\u5176\u5305\u542b\u5728Java\u6a21\u5757\u7684requires\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">_schema-version<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">3.2\"<\/span>\r\n<span class=\"na\">ID<\/span><span class=\"pi\">:<\/span> <span class=\"s\">mtademo<\/span>\r\n<span class=\"na\">version<\/span><span class=\"pi\">:<\/span> <span class=\"s\">0.0.1<\/span>\r\n<span class=\"na\">modules<\/span><span class=\"pi\">:<\/span>\r\n\r\n  <span class=\"c1\"># customservice\u306eJavaModule<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">capCustom_api<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">java<\/span>\r\n    <span class=\"na\">path<\/span><span class=\"pi\">:<\/span> <span class=\"s\">customservice<\/span>\r\n    <span class=\"na\">parameters<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">buildpack<\/span><span class=\"pi\">:<\/span> <span class=\"s\">java_buildpack<\/span>\r\n    <span class=\"na\">properties<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">SPRING_PROFILES_ACTIVE<\/span><span class=\"pi\">:<\/span> <span class=\"s\">cloud<\/span>\r\n    <span class=\"na\">build-parameters<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">builder<\/span><span class=\"pi\">:<\/span> <span class=\"s\">custom<\/span>\r\n      <span class=\"na\">commands<\/span><span class=\"pi\">:<\/span> <span class=\"pi\">[<\/span> <span class=\"nv\">mvn clean package<\/span> <span class=\"pi\">]<\/span>\r\n      <span class=\"na\">build-result<\/span><span class=\"pi\">:<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">srv\/target\/*-exec.[wj]ar\"<\/span>\r\n    <span class=\"na\">provides<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">capCustom-api<\/span> <span class=\"c1\"># required by consumers of CAP services (e.g. approuter)<\/span>\r\n        <span class=\"na\">properties<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">srv-url<\/span><span class=\"pi\">:<\/span> <span class=\"s\">${default-url}<\/span>\r\n    <span class=\"c1\"># resources -&gt; usePostgresql\u306e\u5b9a\u7fa9\u3092\u4f7f\u3046<\/span>\r\n    <span class=\"na\">requires<\/span><span class=\"pi\">:<\/span>\r\n     <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">usePostgresql<\/span>\r\n       <span class=\"na\">properties<\/span><span class=\"pi\">:<\/span>\r\n          <span class=\"na\">JBP_CONFIG_RESOURCE_CONFIGURATION<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">[tomcat\/webapps\/ROOT\/META-INF\/context.xml:<\/span>\r\n             <span class=\"s\">{\"service_name_for_DefaultDB\"<\/span> <span class=\"s\">:<\/span> <span class=\"s\">\"~{hdi-container-name}\"}]'<\/span>\r\n<span class=\"na\">resources<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"c1\"># \u4f5c\u6210\u6e08\u307f\u306eHANA DB\u30b5\u30fc\u30d3\u30b9\u3092resources\u306b\u8a18\u8f09<\/span>\r\n  <span class=\"c1\"># - name: useDemoShared<\/span>\r\n  <span class=\"c1\">#   parameters:<\/span>\r\n  <span class=\"c1\">#     service-name: demoShared<\/span>\r\n  <span class=\"c1\">#     service: hanatrial<\/span>\r\n  <span class=\"c1\">#     service-plan: securestore<\/span>\r\n  <span class=\"c1\">#     config:<\/span>\r\n  <span class=\"c1\">#       schema: sampleSchema<\/span>\r\n  <span class=\"c1\">#   properties:<\/span>\r\n  <span class=\"c1\">#     hdi-container-name: '${service-name}'<\/span>\r\n  <span class=\"c1\">#   type: org.cloudfoundry.existing-service<\/span>\r\n  <span class=\"c1\"># \u4f5c\u6210\u6e08\u307f\u306ePostgreSQL\u30b5\u30fc\u30d3\u30b9\u3092resources\u306b\u8a18\u8f09<\/span>\r\n  <span class=\"pi\">-<\/span> <span class=\"na\">name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">usePostgresql<\/span>\r\n    <span class=\"na\">parameters<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">service-name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">demoPostgreSQL<\/span>\r\n      <span class=\"na\">service<\/span><span class=\"pi\">:<\/span> <span class=\"s\">postgresql-db<\/span>\r\n      <span class=\"na\">service-plan<\/span><span class=\"pi\">:<\/span> <span class=\"s\">trial<\/span>\r\n    <span class=\"na\">properties<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"na\">hdi-container-name<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">${service-name}'<\/span>\r\n    <span class=\"na\">type<\/span><span class=\"pi\">:<\/span> <span class=\"s\">org.cloudfoundry.existing-service<\/span>  \r\n<\/code><\/pre>\n<h1>\u5c06BTP\u90e8\u7f72\u5230\u73af\u5883\u4e2d\u3002<\/h1>\n<p>\u4fee\u6539 mta.yaml \u540e\uff0c\u6267\u884c Build\u2192Deploy\u3002<\/p>\n<pre class=\"post-pre\"><code>$ mbt build\r\n$ cf deploy mta_archives\/mtademo_0.0.1.mtar\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/37-0.png\" alt=\"image.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/38-0.png\" alt=\"image.png\" \/><\/div>\n<p>\u6211\u5df2\u786e\u8ba4\u300cKYOSO\u82b1\u5b50\u300d\u5df2\u5728PostgreSQL\u4e2d\u6ce8\u518c\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d492737434c4406caeda9\/40-0.png\" alt=\"image.png\" \/><\/div>\n<blockquote><p>\u5907\u6ce8\uff1a<br \/>\n\u5728\u90e8\u7f72MTA\u5e76\u91cd\u65b0\u521b\u5efa\u670d\u52a1\u7ed1\u5b9a\u65f6\uff0c\u6570\u636e\u5e93\u7684\u7528\u6237\u540d\/\u5bc6\u7801\u53d1\u751f\u4e86\u66f4\u6539\u3002<br \/>\n\u9700\u8981\u518d\u6b21\u786e\u8ba4\u51ed\u636e\u3002<\/p><\/blockquote>\n<h1>\u6700\u540e<\/h1>\n<p>\u6211\u6210\u529f\u5730\u5c06\u4f7f\u7528Java\u521b\u5efa\u7684CAP API\u4e0ePostgreSQL\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<p>\u6211\u8ba4\u4e3a\u6709\u4e9b\u7cfb\u7edf\u53ef\u80fd\u4f1a\u4f7f\u7528PostgreSQL\u800c\u4e0d\u662fHANA\uff0c\u6240\u4ee5\u5982\u679c\u6709\u4e00\u79cd\u901a\u7528\u7684\u65b9\u6cd5\u53ef\u4ee5\u5728\u4e24\u8005\u4e4b\u95f4\u5207\u6362\u4f7f\u7528\uff0c\u90a3\u4f1a\u5f88\u65b9\u4fbf\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u610f\u8bc6\u5230\u5728\u4f7f\u7528CAP\u548cPostgreSQL\u65f6\u4e5f\u4f1a\u6709\u4e00\u4e9b\u9650\u5236\uff0c\u6240\u4ee5\u5728\u5f00\u59cb\u4e4b\u524d\u9700\u8981\u5148\u786e\u8ba4\u3002\u5728Java\u4e2d\u7684\u6570\u636e\u5e93\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u4f7f\u7528SAP Cloud Application Programming Model (CAP) \u521b\u5efa\u4e86\u4e0e 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