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Image样式属性

本文档贡献者：sunnylqm(100.00%)

示例

• 函数组件示例
• Class组件示例

import React from "react";
import { View, Image, Text, StyleSheet } from "react-native";
const DisplayAnImageWithStyle = () => {
  return (
    <View style={styles.container}>
      <View>
        <Image
          style={{
            resizeMode: "cover",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>resizeMode : cover</Text>
      </View>
      <View>
        <Image
          style={{
            resizeMode: "contain",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>resizeMode : contain</Text>
      </View>
      <View>
        <Image
          style={{
            resizeMode: "stretch",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>resizeMode : stretch</Text>
      </View>
      <View>
        <Image
          style={{
            resizeMode: "repeat",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>resizeMode : repeat</Text>
      </View>
      <View>
        <Image
          style={{
            resizeMode: "center",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>resizeMode : center</Text>
      </View>
    </View>
  );
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

import React, { Component } from "react";
import { View, Image, StyleSheet, Text } from "react-native";
class DisplayAnImageWithStyle extends Component {
  render() {
    return (
      <View style={styles.container}>
        <View>
          <Image
            style={{
              resizeMode: "cover",
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>resizeMode : cover</Text>
        </View>
        <View>
          <Image
            style={{
              resizeMode: "contain",
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>resizeMode : contain</Text>
        </View>
        <View>
          <Image
            style={{
              resizeMode: "stretch",
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>resizeMode : stretch</Text>
        </View>
        <View>
          <Image
            style={{
              resizeMode: "repeat",
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>resizeMode : repeat</Text>
        </View>
        <View>
          <Image
            style={{
              resizeMode: "center",
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>resizeMode : center</Text>
        </View>
      </View>
    );
  }
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

• 函数组件示例
• Class组件示例

import React from "react";
import { View, Image, StyleSheet, Text } from "react-native";
const DisplayAnImageWithStyle = () => {
  return (
    <View style={styles.container}>
      <View>
        <Image
          style={{
            borderTopRightRadius: 20,
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>borderTopRightRadius</Text>
      </View>
      <View>
        <Image
          style={{
            borderBottomRightRadius: 20,
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>borderBottomRightRadius</Text>
      </View>
      <View>
        <Image
          style={{
            borderBottomLeftRadius: 20,
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>borderBottomLeftRadius</Text>
      </View>
      <View>
        <Image
          style={{
            borderTopLeftRadius: 20,
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>borderTopLeftRadius</Text>
      </View>
    </View>
  );
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

import React, { Component } from "react";
import { View, Image, StyleSheet, Text } from "react-native";
class DisplayAnImageWithStyle extends Component {
  render() {
    return (
      <View style={styles.container}>
        <View>
          <Image
            style={{
              borderTopRightRadius: 20,
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>borderTopRightRadius</Text>
        </View>
        <View>
          <Image
            style={{
              borderBottomRightRadius: 20,
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>borderBottomRightRadius</Text>
        </View>
        <View>
          <Image
            style={{
              borderBottomLeftRadius: 20,
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>borderBottomLeftRadius</Text>
        </View>
        <View>
          <Image
            style={{
              borderTopLeftRadius: 20,
              height: 100,
              width: 200
            }}
            source={require("@expo/snack-static/react-native-logo.png")}
          />
          <Text>borderTopLeftRadius</Text>
        </View>
      </View>
    );
  }
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

• 函数组件示例
• Class组件示例

import React from "react";
import { View, Image, StyleSheet, Text } from "react-native";
const DisplayAnImageWithStyle = () => {
  return (
    <View style={styles.container}>
      <Image
        style={{
          borderColor: "red",
          borderWidth: 5,
          height: 100,
          width: 200
        }}
        source={require("@expo/snack-static/react-native-logo.png")}
      />
      <Text>
        <Text>borderColor & borderWidth</Text>
      </Text>
    </View>
  );
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "center",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

import React, { Component } from "react";
import { View, Image, StyleSheet, Text } from "react-native";
class DisplayAnImageWithStyle extends Component {
  render() {
    return (
      <View style={styles.container}>
        <Image
          style={{
            borderColor: "red",
            borderWidth: 5,
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>borderColor & borderWidth</Text>
      </View>
    );
  }
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "center",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

• 函数组件示例
• Class组件示例

import React from "react";
import { View, Image, StyleSheet, Text } from "react-native";
const DisplayAnImageWithStyle = () => {
  return (
    <View style={styles.container}>
      <Image
        style={{
          tintColor: "#000000",
          resizeMode: "contain",
          height: 100,
          width: 200
        }}
        source={require("@expo/snack-static/react-native-logo.png")}
      />
      <Text>tintColor</Text>
    </View>
  );
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

import React, { Component } from "react";
import { View, Image, StyleSheet, Text } from "react-native";
class DisplayAnImageWithStyle extends Component {
  render() {
    return (
      <View style={styles.container}>
        <Image
          style={{
            tintColor: "#000000",
            resizeMode: "contain",
            height: 100,
            width: 200
          }}
          source={require("@expo/snack-static/react-native-logo.png")}
        />
        <Text>tintColor</Text>
      </View>
    );
  }
}
const styles = StyleSheet.create({
  container: {
    display: "flex",
    flexDirection: "vertical",
    justifyContent: "space-around",
    alignItems: "center",
    height: "100%",
    textAlign: "center"
  }
});
export default DisplayAnImageWithStyle;

---

文档

Props

borderTopRightRadius

类型	必填
number	否

---

backfaceVisibility

类型	必填
enum('visible', 'hidden')	否

---

borderBottomLeftRadius

类型	必填
number	否

---

borderBottomRightRadius

类型	必填
number	否

---

borderColor

类型	必填
color	否

---

borderRadius

类型	必填
number	否

---

borderTopLeftRadius

类型	必填
number	否

---

backgroundColor

类型	必填
color	否

---

borderWidth

类型	必填
number	否

---

opacity

类型	必填
number	否

---

overflow

类型	必填
enum('visible', 'hidden')	否

---

resizeMode

类型	必填
enum('cover', 'contain', 'stretch', 'repeat', 'center')	否

---

tintColor

为所有非透明的像素指定一个颜色。

类型	必填
color	否

---

overlayColor

当图片有圆角的时候，指定一个颜色用于填充圆角处的空白。虽然一般情况下圆角处是透明的，但在某些情况下，Android 并不支持圆角透明，比如：

• 某些 resize 模式比如'contain'
• GIF 动画

常见的用法就是在不能圆角透明时，设置overlayColor和背景色一致。

详细说明可参考https://frescolib.org/docs/rounded-corners-and-circles.html。

类型	必填	平台
string	否	Android