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public static Map<String, Object> getparamsToIndex(Object obj) {
Map<String, Object> params = new HashMap<String, Object>(0);
try {
PropertyUtilsBean propertyUtilsBean = new PropertyUtilsBean();
PropertyDescriptor[] descriptors = propertyUtilsBean.getPropertyDescriptors(obj);
for (int i = 0; i < descriptors.length; i++) {
String name = descriptors[i].getName();
if (!StringUtils.equals(name, "class")) {
params.put(propertyToField(name), propertyUtilsBean.getNestedProperty(obj, name));
}
}
} catch (Exception e) {
e.printStackTrace();
}
return params;
}
/**
* 对象属性转换为字段 例如：userName to user_name
* @param property 字段名
* @return
*/
public static String propertyToField(String property) {
if (null == property) {
return "";
}
char[] chars = property.toCharArray();
StringBuffer sb = new StringBuffer();
for (char c : chars) {
if (CharUtils.isAsciiAlphaUpper(c)) {
sb.append("_" + StringUtils.lowerCase(CharUtils.toString(c)));
} else {
sb.append(c);
}
}
return sb.toString();
}
/**
* 字段转换成对象属性 例如：user_name to userName
* @param field
* @return
*/
public static String fieldToProperty(String field) {
if (null == field) {
return "";
}
char[] chars = field.toCharArray();
StringBuffer sb = new StringBuffer();
for (int i = 0; i < chars.length; i++) {
char c = chars[i];
if (c == '_') {
int j = i + 1;
if (j < chars.length) {
sb.append(StringUtils.upperCase(CharUtils.toString(chars[j])));
i++;
}
} else {
sb.append(c);
}
}
return sb.toString();
}
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转播
