loser
1 year ago
2 changed files with 82 additions and 0 deletions
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package com.ruoyi.web.controller; |
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import com.github.abel533.echarts.Option; |
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import com.github.abel533.echarts.axis.CategoryAxis; |
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import com.github.abel533.echarts.axis.ValueAxis; |
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import com.github.abel533.echarts.code.AxisType; |
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import com.github.abel533.echarts.series.Bar; |
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import org.springframework.web.bind.annotation.GetMapping; |
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import org.springframework.web.bind.annotation.ResponseBody; |
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public class EChartsController { |
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/* |
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* 获取柱状图 json数据 |
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* */ |
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@GetMapping("/getOption") |
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@ResponseBody |
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public Option getOption() |
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{ |
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Option option = new Option(); |
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option.tooltip().show(true); |
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option.legend().data("销量"); |
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ValueAxis valueAxis = new ValueAxis(); |
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valueAxis.type(AxisType.category); |
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valueAxis.data("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月","13","14"); |
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option.xAxis(valueAxis); |
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CategoryAxis categoryAxis = new CategoryAxis(); |
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categoryAxis.type(AxisType.value); |
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option.yAxis(categoryAxis); |
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Bar bar = new Bar(); |
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bar.name("女性").data(36.5, 37.9, 37.0, 40.2, 39.6, 36.7, 35.6, 36.2, 36.6, 40.0, 36.4, 38.3, 36.4, 38.3); |
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Bar bar2 = new Bar(); |
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bar2.name("男性").data(36.5, 37.9, 36.0, 38.2, 36.6, 37.7, 39.6, 36.2, 36.6, 40.0, 36.9, 37.3, 36.4, 38.3); |
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option.series(bar2); |
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return option; |
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} |
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} |
@ -0,0 +1,42 @@ |
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package com.ruoyi.framework.config; |
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import com.fasterxml.jackson.annotation.JsonInclude; |
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import com.fasterxml.jackson.core.JsonGenerator; |
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import com.fasterxml.jackson.core.JsonProcessingException; |
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import com.fasterxml.jackson.databind.JsonSerializer; |
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import com.fasterxml.jackson.databind.ObjectMapper; |
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import com.fasterxml.jackson.databind.SerializerProvider; |
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean; |
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import org.springframework.context.annotation.Bean; |
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import org.springframework.context.annotation.Configuration; |
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import org.springframework.context.annotation.Primary; |
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import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder; |
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import java.io.IOException; |
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@Configuration |
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public class JacksonConfig { |
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@Bean |
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@Primary |
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@ConditionalOnMissingBean(ObjectMapper.class) |
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public ObjectMapper jacksonObjectMapper(Jackson2ObjectMapperBuilder builder) { |
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ObjectMapper objectMapper = builder.createXmlMapper(false).build(); |
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// 通过该方法对mapper对象进行设置,所有序列化的对象都将按改规则进行系列化
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// Include.Include.ALWAYS 默认
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// Include.NON_DEFAULT 属性为默认值不序列化
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// Include.NON_EMPTY 属性为 空("") 或者为 NULL 都不序列化,则返回的json是没有这个字段的。这样对移动端会更省流量
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// Include.NON_NULL 属性为NULL 不序列化
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objectMapper.setSerializationInclusion(JsonInclude.Include.NON_EMPTY); |
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// 字段保留,将null值转为""
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objectMapper.getSerializerProvider().setNullValueSerializer(new JsonSerializer<Object>() { |
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@Override |
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public void serialize(Object o, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException, JsonProcessingException { |
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jsonGenerator.writeString(""); |
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} |
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}); |
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return objectMapper; |
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} |
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} |
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