Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
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由于在Hibernate中有个<generator class="assigned"> </generator>属性，是主键生成策略；因为我的ID不是int类型，而为string类型，所以不能使用<generator class="native"> </generator>，因为这个是自动生成ID主键，而我的主键是自己分配的，所以需要将native换成assigned。然后运行重新调试！
这问题可能有不同的原因导致，还可在CSDN见到另外的解决方法，不足之处还请谅解。
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- Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1解决方案
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- 错误：Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
- Batch update returned unexpected row count from update [0]; actual row count: 0; expected: 1
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