/**
* 根据反射获取到对象的值 拼接sql使用
*
* @param model
* @param ignoreField 不使用字段
* @return
* @throws NoSuchMethodException
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InvocationTargetException
*/
public static String Reflect(Object model, String[] ignoreField)
throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
// 获取实体类的所有属性,返回Field数组
Field[] field = model.getClass().getDeclaredFields();
String content = "";
// 遍历所有属性
for (int j = 0; j < field.length; j++) {
// 获取属性的名字
String name = field[j].getName();
// 将属性的首字符大写,方便构造get,set方法
name = name.substring(0, 1).toUpperCase() + name.substring(1);
// 获取属性的类型
String type = field[j].getGenericType().toString();
// 如果type是类类型,则前面包含"class
boolean isIgnore = false;
for (String ignore : ignoreField) {
if (ignore.equalsIgnoreCase(name)) {
isIgnore = true;
break;
}
}
if (isIgnore) {
continue;
}
if (type.equals("class java.lang.String")) {
// ",后面跟类名
Method m = model.getClass().getMethod("get" + name);
String value = (String) m.invoke(model);
// 调用getter方法获取属性值
if (value != null) {
content += "'" + value + "',";
} else {
content += "'',";
}
}
if (type.equals("class java.lang.Integer")) {
Method m = model.getClass().getMethod("get" + name);
Integer value = (Integer) m.invoke(model);
if (value != null) {
content += value + ",";
} else {
content += "'',";
}
}
if (type.equals("class java.lang.Long")) {
Method m = model.getClass().getMethod("get" + name);
Long value = (Long) m.invoke(model);
if (value != null) {
content += value + ",";
} else {
content += "'',";
}
}
if (type.equals("class java.lang.Double")) {
Method m = model.getClass().getMethod("get" + name);
Double value = (Double) m.invoke(model);
if (value != null) {
content += value + ",";
} else {
content += "'',";
}
}
if (type.equals("class java.lang.Boolean")) {
Method m = model.getClass().getMethod("get" + name);
Boolean value = (Boolean) m.invoke(model);
if (value != null) {
String cc = value == true ? "1" : "0";
content += cc + ',';
} else {
content += "'',";
}
}
if (type.equals("class java.util.Date")) {
Method m = model.getClass().getMethod("get" + name);
Date value = (Date) m.invoke(model);
if (value != null) {
content += value + ",";
} else {
content += "'',";
}
}
}
// 去除末尾的,
content = content.substring(0, content.length() - 1);
return content;
}