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69 lines
1.3 KiB
69 lines
1.3 KiB
# 更改数据节点名称
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针对`alipay.story.find`接口，它的返回结果如下：
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```json
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{
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"alipay_story_find_response": {
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"msg": "Success",
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"code": "10000",
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"name": "白雪公主",
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"id": 1,
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"gmtCreate": 1554193987378
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},
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"sign": "xxxxx"
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}
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```
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其中`alipay_story_find_response`是它的数据节点。规则是：
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> 将接口名中的点`.`转换成下划线`_`，后面加上`_response`
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代码实现如下：
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```java
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String method = "alipay.story.find";
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return method.replace('.', '_') + "_response";
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```
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详见`DefaultDataNameBuilder.java`
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如果要更改数据节点，比如`result`，可使用`CustomDataNameBuilder.java`。
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```java
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@Configuration
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public class ZuulConfig extends AlipayZuulConfiguration {
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static {
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...
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ApiConfig.getInstance().setDataNameBuilder(new CustomDataNameBuilder());
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...
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}
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}
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```
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设置后，网关统一的返回结果如下：
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```json
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{
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"result": {
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...
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},
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"sign": "xxxxx"
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}
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```
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此外，构造方法可指定自定义字段名称：`new CustomDataNameBuilder("data");`。
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设置后，数据节点将变成`data`
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```json
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{
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"data": {
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...
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},
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"sign": "xxxxx"
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}
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```
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**注**：网关设置了CustomDataNameBuilder后，SDK也要做相应的更改：`SdkConfig.dataNameBuilder = new CustomDataNameBuilder();`
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