//处理前:response为空也不影响后面一句执行就会报空指针
if (response == null || response.getCode() == null || response.getCode() != 0) {
logger.error("meituan query hotel detail plan fail{}", (response != null ? JSON.toJson(response) : "null"));
}
result = response.getResult();
//处理后:
if (response == null) {
System.out.println("meituan query hotel detail plan fail{}");
} else {
String result = response.toString();
}
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