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PropertyUtils.addBeanIntrospector(new FluentPropertyBeanIntrospector()); #185

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PropertyUtils.addBeanIntrospector(new FluentPropertyBeanIntrospector()); #185

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Commits on Jun 5, 2019

  1. Update QueryGenerator.java 

    【问题描述】

数据新增时，需要 trim，写了个 通用的 trim 类，
参考 QueryGenerator.java 写的，结果报错: 
java.lang.NoSuchMethodException: Property 'xxx' has no setter method in class 'class org.jeecg.modules.xxx.entity.xxx'

【原因如下】
BeanUtils not works for chain setter

https://www.manongdao.com/article-780682.html

【解决方案】
添加
	static {
		PropertyUtils.addBeanIntrospector(new FluentPropertyBeanIntrospector());
	}

【注意】
在 QueryGenerator.java 里也必须添加

	static {
		PropertyUtils.addBeanIntrospector(new FluentPropertyBeanIntrospector());
	}

查看 PropertyUtils 源码：	
	
    public static PropertyDescriptor[] getPropertyDescriptors(final Object bean) {
        return PropertyUtilsBean.getInstance().getPropertyDescriptors(bean);
    }
	
这里用了单例模式： PropertyUtilsBean.getInstance()
    @wqssyq
    wqssyq committed Jun 5, 2019
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  2. Create TrimUtil.java 

    TrimUtil
    @wqssyq
    wqssyq committed Jun 5, 2019
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