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# API数据源使用示例
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## 调用示例代码
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```java
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Authentication authentication = new Authentication("#key", "#secret");
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DatasourceOperation operation = new DatasourceOperation(authentication);
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operation.open();
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// 创建一个分组，如果已经存在，则直接跳过
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operation.createGroup("TestGroup");
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// 在分组下创建一个表，返回创建的表的ID，如果表已经存在，则直接返回表ID
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String tableId = operation.createTable("HelloTable", "TestGroup");
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// 获取上传文件的url
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String fileUploadUrl = operation.requestUploadUrl(tableId);
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// 将数据文件上传
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HttpKits.upload(fileUploadUrl, new File(System.getProperty("user.dir") + "/data/地区数据分析.csv"));
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// 标记该表的数据已经上传完成
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operation.markAsFinish(tableId);
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```
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