// 如下是我们定义的成员
private static  final Logger logger= LoggerFactory.getLogger(FileController.class);
@Autowired
private SysFileService fileService;
@Value("${com.jane.file.baseFilePath}")
private String baseFilePath;
@Value("${com.jane.configjson.baseFilePath}")
private String configJsonPath;
@Autowired
private SysFileMapper fileMapper;
private static  String;
private   String sex="男";

protected void populateBean(String beanName, RootBeanDefinition mbd, @Nullable BeanWrapper bw) {
// BeanWrapperImpl内部包含了目标Bean实例 、conversionService
  if (bw == null) {
    if (mbd.hasPropertyValues()) {
      throw new BeanCreationException(
          mbd.getResourceDescription(), beanName, "Cannot apply property values to null instance");
    else {
      // Skip property population phase for null instance.
      return;
  // Give any InstantiationAwareBeanPostProcessors the opportunity to modify the
  // state of the bean before properties are set. This can be used, for example,
  // to support styles of field injection.
//在bean 属性被设置前给InstantiationAwareBeanPostProcessors 计划修改bean state
// Synthetic默认为false
  if (!mbd.isSynthetic() && hasInstantiationAwareBeanPostProcessors()) {
    for (BeanPostProcessor bp : getBeanPostProcessors()) {
      if (bp instanceof InstantiationAwareBeanPostProcessor) {
        InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
        if (!ibp.postProcessAfterInstantiation(bw.getWrappedInstance(), beanName)) {
          return;
// 从mbd中获取属性值键值对
  PropertyValues pvs = (mbd.hasPropertyValues() ? mbd.getPropertyValues() : null);
// 判断autoWire类型，进而解析依赖。如果该值为0  则不会执行if逻辑
// 当然你可以选择对autowire进行设置
  int resolvedAutowireMode = mbd.getResolvedAutowireMode();
  if (resolvedAutowireMode == AUTOWIRE_BY_NAME || resolvedAutowireMode == AUTOWIRE_BY_TYPE) {
    MutablePropertyValues newPvs = new MutablePropertyValues(pvs);
    // Add property values based on autowire by name if applicable.
    if (resolvedAutowireMode == AUTOWIRE_BY_NAME) {
      // 根据Name注入
      autowireByName(beanName, mbd, bw, newPvs);
    // Add property values based on autowire by type if applicable.
    if (resolvedAutowireMode == AUTOWIRE_BY_TYPE) {
    // 根据TYPE注入
      autowireByType(beanName, mbd, bw, newPvs);
    pvs = newPvs;
// 容器中是否有InstantiationAwareBeanPostProcessor
  boolean hasInstAwareBpps = hasInstantiationAwareBeanPostProcessors();
// 是否需要进行依赖检测
  boolean needsDepCheck = (mbd.getDependencyCheck() != AbstractBeanDefinition.DEPENDENCY_CHECK_NONE);
  PropertyDescriptor[] filteredPds = null;
  if (hasInstAwareBpps) {
    if (pvs == null) {
      pvs = mbd.getPropertyValues();
    // 调用InstantiationAwareBeanPostProcessor 的postProcessProperties方法
    for (BeanPostProcessor bp : getBeanPostProcessors()) {
      if (bp instanceof InstantiationAwareBeanPostProcessor) {
        InstantiationAwareBeanPostProcessor ibp = (InstantiationAwareBeanPostProcessor) bp;
//这里很重要，会触发AutowiredAnnotationBeanPostProcessor实现依赖的解析
        PropertyValues pvsToUse = ibp.postProcessProperties(pvs, bw.getWrappedInstance(), beanName);
        if (pvsToUse == null) {
          if (filteredPds == null) {
            filteredPds = filterPropertyDescriptorsForDependencyCheck(bw, mbd.allowCaching);
          pvsToUse = ibp.postProcessPropertyValues(pvs, filteredPds, bw.getWrappedInstance(), beanName);
          if (pvsToUse == null) {
            return;
        pvs = pvsToUse;
  // 如果需要依赖检测，进行依赖检测
  if (needsDepCheck) {
    if (filteredPds == null) {
      filteredPds = filterPropertyDescriptorsForDependencyCheck(bw, mbd.allowCaching);
    // 进行依赖检查
    checkDependencies(beanName, mbd, filteredPds, pvs);
// 如果pvs不为null，进行赋值
  if (pvs != null) {
    applyPropertyValues(beanName, mbd, bw, pvs);

// 依赖解析的调用栈
doGetBean:245, AbstractBeanFactory 
getBean:202, AbstractBeanFactory 
resolveCandidate:276, DependencyDescriptor 
doResolveDependency:1287, DefaultListableBeanFactory 
resolveDependency:1207, DefaultListableBeanFactory 
inject:640, AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement 
inject:116, InjectionMetadata 
postProcessProperties:399, AutowiredAnnotationBeanPostProcessor 
populateBean:1422, AbstractAutowireCapableBeanFactory 

//no dependency check at all.
public static final int DEPENDENCY_CHECK_NONE = 0;
// dependency checking for object references.
public static final int DEPENDENCY_CHECK_OBJECTS = 1;
// dependency checking for "simple" properties.
public static final int DEPENDENCY_CHECK_SIMPLE = 2;
//dependency checking for all properties
public static final int DEPENDENCY_CHECK_ALL = 3;

0 = {PropertyValue@9394} "bean property 'addToConfig'"
1 = {PropertyValue@9395} "bean property 'sqlSessionFactory'"
2 = {PropertyValue@9396} "bean property 'sqlSessionTemplate'"